Sentence 1: The capital's main zoo, open daily 9am-5:30pm (6pm during summer), is located in the eastern outskirts in the Bois de Vincennes (me Porte Doree).

Sentence 2: The capital's main zoo is open daily all year round.
Is this second sentence entailed by the first?

Answer: yes

Sentence 1: The man's right arm had been broken and completely twisted around.

Sentence 2: The man was uninjured.
Is this second sentence entailed by the first?

Answer: no

Sentence 1: According to the Maastricht Treaty, the currency will be put into circulation only after individual national economies have hit certain targets--such as a sufficiently low ratio of debt to gross domestic product.

Sentence 2: The currency will be the solution to the nation's economic troubles.
Is this second sentence entailed by the first?

Answer:
it is not possible to tell