Difference between Cypher Queries. (neo4j movie db)

The first query finds Persons who PRODUCED the Movie m, but did not direct any movie. The second query finds Persons who PRODUCED the Movie m but did not direct that particular Movie m. You know this because in the second query, the bound variable m is used in the WHERE clause, whereas in the first query, only the label :Movie is used in the WHERE clause.

Incidentally, the path = part of the first query does nothing.

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