If "Big brother shows his sister how to play a game in the backyard in the afternoon." does that mean that "The brother plays with the sister."?\nOptions:\n- yes\n- it is not possible to tell\n- no
Let's think step by step below.
it is not possible to tell
Just because big brother shows his sister how to play a game does not mean that the brother plays with the sister.

.

The final answer: it is not possible to tell