I'll give you a question, please answer with step-by-step reasoning process.
If "A brown dog swims in the murky water." does that mean that "The dog accidentally fell in the water."?\nOptions:\n- yes\n- it is not possible to tell\n- no

it is not possible to tell
A dog swimming in water did not necessarily accidentally fall in as many dogs like to swim.

.

Therefore, the answer is it is not possible to tell