diff --git a/examples/README.md b/examples/README.md
index e5e8c766..ed00dd7e 100644
--- a/examples/README.md
+++ b/examples/README.md
@@ -1,9 +1,12 @@
 # Examples
 
-There are two example programs in this directory, `buffer-parser` and
+The first two example programs in this directory are `buffer-parser` and
 `reader-parser` corresponding to the [two API styles][1]. They demonstrate
 parsing a log file and printing out the timestamp and log-level of each message,
-as well as any multiline log messages. 
+as well as any multiline log messages.
+
+The third example is `intersect-test` which demonstrates the result of taking
+the intersection between a schema DFA and a search query DFA.
 
 ## Building
 
@@ -24,6 +27,7 @@ The example programs can be run as follows:
 ```shell
 ./examples/build/buffer-parser ./examples/schema.txt log.txt
 ./examples/build/reader-parser ./examples/schema.txt log.txt
+./examples/build/intersect-test
 ```
 
 where:
diff --git a/examples/intersect-test.cpp b/examples/intersect-test.cpp
index 933f708a..9b22dbd1 100644
--- a/examples/intersect-test.cpp
+++ b/examples/intersect-test.cpp
@@ -29,7 +29,7 @@ auto get_intersect_for_query(
         processed_search_string.push_back(c);
     }
     log_surgeon::Schema schema;
-    schema.add_variable("search", processed_search_string, -1);
+    schema.add_variable(string("search:") + processed_search_string, -1);
     RegexNFA<RegexNFAByteState> nfa;
     auto schema_ast = schema.release_schema_ast_ptr();
     for (unique_ptr<ParserAST> const& parser_ast : schema_ast->m_schema_vars) {
@@ -51,20 +51,20 @@ auto main() -> int {
         log_surgeon::Schema schema;
         if (0 == i) {
             std::cout << "--Schema1--" << std::endl;
-            schema.add_variable("int", "\\-{0,1}[0-9]+", -1);
-            schema.add_variable("float", "\\-{0,1}[0-9]+\\.[0-9]+", -1);
-            schema.add_variable("hex", "[a-fA-F]+", -1);
-            schema.add_variable("hasNumber", ".*\\d.*", -1);
-            schema.add_variable("equals", ".*=.*[a-zA-Z0-9].*", -1);
-            schema.add_variable("logLevel", "(INFO)|(DEBUG)|(WARN)|(ERROR)|(TRACE)|(FATAL)", -1);
+            schema.add_variable("int:\\-{0,1}[0-9]+", -1);
+            schema.add_variable("float:\\-{0,1}[0-9]+\\.[0-9]+", -1);
+            schema.add_variable("hex:[a-fA-F]+", -1);
+            schema.add_variable("hasNumber:.*\\d.*", -1);
+            schema.add_variable("equals:.*=.*[a-zA-Z0-9].*", -1);
+            schema.add_variable("logLevel:(INFO)|(DEBUG)|(WARN)|(ERROR)|(TRACE)|(FATAL)", -1);
         } else {
             std::cout << "--Schema2--" << std::endl;
-            schema.add_variable("v1", "1", -1);
-            schema.add_variable("v2", "2", -1);
-            schema.add_variable("v3", "3", -1);
-            schema.add_variable("v4", "abc12", -1);
-            schema.add_variable("v5", "23def", -1);
-            schema.add_variable("v6", "123", -1);
+            schema.add_variable("v1:1", -1);
+            schema.add_variable("v2:2", -1);
+            schema.add_variable("v3:3", -1);
+            schema.add_variable("v4:abc12", -1);
+            schema.add_variable("v5:23def", -1);
+            schema.add_variable("v6:123", -1);
         }
         std::map<uint32_t, std::string> m_id_symbol;
         RegexNFA<RegexNFAByteState> nfa;