Consider the question. Test for natural language inference.
Premise: "Dog standing in grass playing with green flying disc."
Hypothesis: "A dog playing at a dog park."
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?
Dog standing in grass playing with green flying disc need not necessarily be at a dog park.