Sentence 1: Mongolians from South China and Polynesian and Malay peoples from the Philippines and the Indonesian islands settled along the rivers of the peninsula and northern Borneo.

Sentence 2: Mongolians settled along the rivers because they could fish there.
Is this second sentence entailed by the first?

Answer: it is not possible to tell

Sentence 1: Now that she had been proved justified in so tragic a manner, I felt ashamed.

Sentence 2: The court ruled in her favor.
Is this second sentence entailed by the first?

Answer: it is not possible to tell

Sentence 1: They adopted Egyptian gods as their own and did much to prolong Egyptian culture rather than simply converting it to Greek.

Sentence 2: They adopted Egyptian gods as their own, replacing their Greek gods.
Is this second sentence entailed by the first?

Answer:
it is not possible to tell