Premise: "Workmen and excavation machines hard at work at a building site."
Hypothesis: "Workmen and excavation machines are doing some tough work on a building site."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no A step-by-step solution is:
Doing some tough work is the same as being hard at work.
The final answer: yes.