they in the forest?-Yes,

Question

they in the forest?-Yes,

Answer 1

Are they in the forest? - Yes, they are.

Answer 2

Не понятен сам вопрос. К тому же в записи ошибка.
Вот грамматически верно составленный вопрос:
Are they in the forest? - Yes, they are in the forest.