Sentence 1: While pre-existing law afforded limited opportunities for postal innovation,2 the Postal Reorganization Act of 1970 gave the newly-created United States Postal Service a clear mandate to innovate by developing effective and efficient services adapted to the needs of the Nation's mail users.

Sentence 2: The Postal Reorganization Act of 1970 resulted in more effective and efficient services.
OPTIONS:
- yes
- it is not possible to tell
- no
Is this second sentence entailed by the first?

Answer: yes

Sentence 1: The leisurely trip takes three hours, with a tunnel and several locks to be negotiated.

Sentence 2: There is no trip to take, you can view it all in an instance and then go home.
OPTIONS:
- yes
- it is not possible to tell
- no
Is this second sentence entailed by the first?

Answer: no

Sentence 1: To maximize this investment, we are reviewing and updating our training curriculum to address the organizational, behavioral, and technical needs of our staff.

Sentence 2: We have already held consultations with our staff, in order to update the syllabus.
OPTIONS:
- yes
- it is not possible to tell
- no
Is this second sentence entailed by the first?

Answer:
it is not possible to tell