Sentence 1: Using 4, 10, or 15 sites as case studies might be feasible, but we would still need to be concerned about the risks in generalizability.

Sentence 2: There are other sites we can consider.
OPTIONS:
- yes
- it is not possible to tell
- no
Is this second sentence entailed by the first?

Answer: it is not possible to tell

Sentence 1: How agitated she had 118 been on that fatal Tuesday evening!

Sentence 2: She was a little more calm now, but not all that much.
OPTIONS:
- yes
- it is not possible to tell
- no
Is this second sentence entailed by the first?

Answer: it is not possible to tell

Sentence 1: Discreditable, without doubt.

Sentence 2: There's no doubt that was discredited.
OPTIONS:
- yes
- it is not possible to tell
- no
Is this second sentence entailed by the first?

Answer:
yes