Sentence 1: Its purpose is to identify recurring problems that result in change orders, claims, and delays and then to take positive steps to avoid such problems in the future.

Sentence 2: Avoiding such problems in the future can be done by taking positive steps.
OPTIONS:
- yes
- it is not possible to tell
- no
Is this second sentence entailed by the first?

Answer: yes

Sentence 1: In an odd way, the more similar products become, the more telling the little differences among them end up being.

Sentence 2: Now that products are virtually identical, prices have coalesced across the board.
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: She always signed herself Rita Vandemeyer.

Sentence 2: Rita Vandemeyer was not her full name.
OPTIONS:
- yes
- it is not possible to tell
- no
Is this second sentence entailed by the first?

Answer:
it is not possible to tell