it/that depends

That (all) depends.

My answer depends on factors that have yet to be discussed. Tom: Will you be able to come to the meeting on Thursday night? Mary: That all depends. Bob: Can I see you again? Sally: That depends.
See also: depend, that

it/that (all) deˈpends

(informal) perhaps; possibly: ‘Would you marry him if he asked you to?’ ‘I might. It all depends.’‘But is it right to send people to prison?’ ‘It depends what you mean by right!’
See also: depend, that