Question: Sentence A: Most local leaders and members of their respective ethnic groups

Sentence B: They are all members of different groups.

If sentence A is true, how about sentence B?
OPTIONS:
- yes
- it is not possible to tell
- no

Answer: yes

Question: Wolf did call after this item was posted, but our conversation was off-the-record.
Wolf called me using his Samsung Galaxy Note.
OPTIONS:
- yes
- it is not possible to tell
- no

Answer: it is not possible to tell

Problem: Here is a premise:
He was in that sinister house in Soho.

Here is a hypothesis:
He was the only person in that haunted house in Soho.

Here are the options: OPTIONS:
- yes
- it is not possible to tell
- no

Answer: it is not possible to tell

Sentence 1: In the resorts on the coast, many traders are aware that some tourists feel uncomfortable with bargaining, and will give you their best price straight away if you ask them to.

Sentence 2: No traders on the coast are willing to provide you with their best offer immediately.
OPTIONS:
- yes
- it is not possible to tell
- no
Is this second sentence entailed by the first?

Answer: no

Question:
Shall I?

Does it follow that "I shall not. "?
OPTIONS:
- yes
- it is not possible to tell
- no
Answer:
no

Question:
Based on the premise "A debonair Renaissance prince and patron of the arts, he introduced a grandiose style at court.", can we conclude that "The court did not take kindly to these new tastes and ways of doing things."? OPTIONS:
- yes
- it is not possible to tell
- no
****
Answer:
it is not possible to tell