Please answer the following question by reasoning step-by-step.
Can we conclude from "Two surfers enjoying the waves." that "The surfers have fallen off of their surfboards while surfing the waves."?\nOptions:\n- yes\n- no\n- it is not possible to tell

it is not possible to tell
Surfers enjoying the waves does not imply that they have fallen off their boards.

.

The answer is it is not possible to tell