Consider the question. Test for natural language inference.
Premise: "A black and white dog is performing tricks on a course."
Hypothesis: "The dog is catching a ball on a course."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
 What is the step-by-step reasoning process to arrive at the answer: it is not possible to tell?
Sentence one doesn't specify what kind of trick he is doing like catching a ball.