Given the stream of consciousness rationale, provide a reasonable question and answer. Rationale: Not all people wearing green aprons are employees. Not all crowds shopping together are a family. Not all olives are for pizza.
 The question and answer:
Test for natural language inference.
Premise: "A crowd shopping for olives at the market being helped by people wearing green aprons."
Hypothesis: "The employees are helping a family pick the best olives for their pizza."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
The answer is it is not possible to tell