Please answer the following question by reasoning step-by-step.
Premise: "A gray dog chases a blue soccer ball on the grass."\nHypothesis: "A dog chases a ball."\nIs the hypothesis entailed by the premise?\nOptions:\n- yes\n- it is not possible to tell\n- no

yes
A dog chases a ball is a rephrasing of a dog chases a ball.

.

The answer: yes