Question

Выберите корректный полный утвердительный ответ. Is this train to the north?
Yes, is that train to the north.
Yes, that train to the north.
Yes, it is.
Yes, that is train to the north.
Yes, this train is to the north.

Answer 1

Походит Yes, it is и Yes, this train is to the north
Но т.к. тебе надо полный ответ, то последнее

Answer 2

Is this train to the north?
Yes, this train is to the north.