Sentence 1: The categories of the balanced scorecard

Sentence 2: There are no categories that could balance a scorecard.
OPTIONS:
- yes
- it is not possible to tell
- no
Is this second sentence entailed by the first?

Answer: no

Sentence 1: yeah there are

Sentence 2: No, there aren't
OPTIONS:
- yes
- it is not possible to tell
- no
Is this second sentence entailed by the first?

Answer: no

Sentence 1: I will speak with your visitors as I agreed, if they come.

Sentence 2: If your visitors come, I will talk to them.
OPTIONS:
- yes
- it is not possible to tell
- no
Is this second sentence entailed by the first?

Answer:
yes