Given the rationale, provide a reasonable question and answer. Step-by-step reasoning process: A boy can either be smiling or frowning. He cannot be smiling and frowning simultaneously.
 The question and answer:
If "A yawning man and a smiling boy are sitting on the pavement." does that mean that "The boy is frowning."?
Options:
- yes
- it is not possible to tell
- no
The answer is no