Sentence 1: Though part of the Portuguese empire since the great expedition teams of the 15th century claimed it for King Joao I, Madeira is nearer to Africa than Lisbon.

Sentence 2: Madeira is located in Africa.
Is this second sentence entailed by the first?

Answer: no

Sentence 1: Customer involvement is important to first make senior executives aware of differing or competing expectations and to then build partnerships and coalitions to reach mutual understanding of the issues.

Sentence 2: Customer involvement makes executives apathetic of expectations.
Is this second sentence entailed by the first?

Answer: no

Sentence 1: Meanwhile, the New York Public Library's brand new Center for Scholars and Writers unveiled its first class of fellows, each of whom will receive a $50,000 stipend and an office in the venerable library.

Sentence 2: The fellows of the Center for Scholars and Writers are mandated to spend at least 70% of their stipend on research projects.
Is this second sentence entailed by the first?

Answer:
it is not possible to tell