Consider the question. Test for natural language inference.
Premise: "A dirt biker aggitates dirt on a four wheeler."
Hypothesis: "A dirt biker agitates sand on a motorcycle."
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: no?
The dirt biker is either on dirt or sand. The dirt biker cannot be on a four wheeler and a motorcycle simultaneously.