Sentence 1: After all, unlike inventors who should be rewarded for innovation resulting from their personal efforts, leadership of a major public company is a team effort.

Sentence 2: While innovation requires a team effort from inventors, leading a major public company requires dogged individualism.
Is this second sentence entailed by the first?

Answer: no

Sentence 1: But reporters don't need artful seducers like Davis to make news.

Sentence 2: Reporters need seductive artists to make good, marketable news.
Is this second sentence entailed by the first?

Answer: no

Sentence 1: Crete's main traditional musical instrument is the lyra, a U-shaped stringed instrument.

Sentence 2: The lyra is a type of musical instrument with strings.
Is this second sentence entailed by the first?

Answer:
yes