[BUG] Could not define a relation with name containts

[zhanglei1949]

It seems that contains is a reserved word for cypher?
@neo4j> MATCH(n: acs_acs_sls_project { entity_id : "6a24371ccf3174d119a805b38f0397da"})-[e:contains]->(b) return b limit 10;
ErrorCode: CYPHER_INVALID_SYNTAX
Message: syntax error occurs at [line: 1, column: 87]; msg is: [no viable alternative at input '-[e:contains']
EC: 03-0101
QueryId: 16018829599250355157