Given the rationale, provide a reasonable question and answer. Step-by-step reasoning process: A guy is a worker who is working on a building.
 The question and answer:
Test for natural language inference.
Premise: "A guy works on a building."
Hypothesis: "The worker works on the building."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
The answer is yes