I'll give you a question, please answer with step-by-step reasoning process.
Premise: "Two little girls in dresses playing a game by a stone wall."\nBased on this premise, can we conclude that the hypothesis "Some girls are playing with a ball." is true?\nOptions:\n- yes\n- it is not possible to tell\n- no

it is not possible to tell
A game played by little girls need not involve a ball.

.

The answer: it is not possible to tell