Neo4j

Which code is optimized and efficient in Neo4j? A) MATCH(tom:Person{name:"Tom Hanks"})-[:ACTED_IN]->(mov:Movie)<-[:ACTED_IN]-(co:Person) RETURN co.name,mov.title B) MATCH (tom:Person {name:"Tom Hanks"})-[:ACTED_IN]->(m)<-[:ACTED_IN]-(coActors) RETURN...

Today I cannot create named constraint or index. I am getting following error. Command - CREATE INDEX PersonBornIndex FOR (p:Person) ON (p.born) Error- Invalid input 'P': expected whitespace, comment, ON, '=', node labels, MapLiteral, a parameter, a ...