Sentence 1: Mao Zedong himself directed the institute in 1926, and gave lectures on geography, rural education, and The Problem of the Chinese Peasantry.

Sentence 2: Mao Zedong was the director of the institute from 1926 to 1928.
Is this second sentence entailed by the first?

Answer: it is not possible to tell

Sentence 1: In 1889, two million visitors paid 5 francs a head to climb to the top and it has bewitched the world ever since.

Sentence 2: Two million visitors went there in 1889.
Is this second sentence entailed by the first?

Answer: yes

Sentence 1: uh steel one for metals

Sentence 2: The metals require a steel one.
Is this second sentence entailed by the first?

Answer:
yes