The workers are working which implies that they are hard at work.
The question and answer are below.
Test for natural language inference.
Premise: "Construction workers working at a railroad."
Hypothesis: "The workers are hard at work."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
yes

The station either says 'tychy miasto' or 'Good bye'. These phrases are very different from one another.
The question and answer are below.
Given the sentence "A train station says ""tychy miasto." is it true that "A train station says ""good bye."?
no

If the dog is jumping in the water then it cannot be chasing a cat up an alley.
The question and answer are below.
Given the sentence "A woman kneeling on a dock throws a ball to a dog that is jumping in the water." is it true that "The dog is chasing a cat up an alley."?
no