Problem: Here is a premise:
But lacking the means to enforce its decision, the United Nations was powerless to halt the fighting that erupted as the British withdrew their troops in 1948.

Here is a hypothesis:
The British troops had been assigned there as peacekeepers.

Here are the options:

Answer: it is not possible to tell

Problem: Here is a premise:
The 1) Serbs welcomed Jews into their anti-Nazi guerilla groups

Here is a hypothesis:
Serbians were fighting for the Nazis and killing Jewish people.

Here are the options:

Answer: no

Problem: Here is a premise:
The juvenile delinquent in the brood smoked for 12 years before he died in an accident at the age of 26.

Here is a hypothesis:
The juvenile delinquent was 26 years old when he died.

Here are the options:

Answer: yes

Problem: Here is a premise:
Newsgroupies were questioning the authenticity of Hilfiger's official response soon after it appeared on the Net.

Here is a hypothesis:
The comments made by Hilfiger was inappropriate to most.

Here are the options:

Answer:
it is not possible to tell