Given the rationale, provide a reasonable question and answer. Step-by-step reasoning process: People under umbrellas doesn't imply they are there to stay cool.
 The question and answer:
Given the sentence "People gathering in the shade of dark green umbrellas at the beer garden." can we conclude that "People are trying to stay cool in the shade."?
Options:
- yes
- it is not possible to tell
- no
The answer is it is not possible to tell