Question

Marshall is working with a trainer to prepare his dog for a show. With one particular command, Marshall notices the dog will sometimes obey and sometimes not.

Which word below will help Marshall accurately describe the problem to the trainer?
a
Contradictory: a situation in which factors are opposites of each other

b
Disjointed: lacking an orderly sequence

c
Inconsistent: not steady or predictable

d
Random: without definite aim or direction