In the code snippet below, which line contains an error?( )
Line1: {
Line2: "id" : "person",
Line3: "type" : "object",
Line4: "properties" : {
Line5: "name" : {"type" : "string"},
Line6: "age" : {"type" : "integer"}
Line7: }
Line8: }
Line9: {
Line10: "id":"marriedperson",
Line11: "extends":{"ref":"person"},
Line12: "properties":{
Line13: "age":{"type":"integer",
Line14: "minimum":17},
Line15: }
Line16: }
Line 3
Line 6
Line 11
Line 12