Improve Cypher implementation of Interactive complex Q2: move node label from the WHERE clause into the MATCH clause
-MATCH (:Person {id:$personId})-[:KNOWS]-(friend:Person)<-[:HAS_CREATOR]-(message)
-WHERE message.creationDate <= $maxDate AND (message:Post OR message:Comment)
+MATCH (:Person {id:$personId})-[:KNOWS]-(friend:Person)<-[:HAS_CREATOR]-(message:Message)
+WHERE message.creationDate <= $maxDate
RETURN
friend.id AS personId,
friend.firstName AS personFirstName,
