Problem: Here is a premise:
His to find out more about Kathleen Willey's allegations of sexual harassment by Clinton.

Here is a hypothesis:
He wanted to know more about sexual harassment allegations pointed towards Clinton.

Here are the options:

Answer: it is not possible to tell

Problem: Here is a premise:
And no one knows which he is..." With an effort the Russian shook off the vagary of his fancy.

Here is a hypothesis:
And no one can tell which he is...

Here are the options:

Answer: it is not possible to tell

Problem: Here is a premise:
Social Security is an unfunded pay-as-you-go system--most of the payments into the system are transferred to current retirees for current consumption, not saved as government bonds.

Here is a hypothesis:
Current retirees can directly use most of the payments.

Here are the options:

Answer: yes

Problem: Here is a premise:
To beat the partisanship rap, several Republican leaders are invoking Democrats as their allies against Clinton.

Here is a hypothesis:
Democrats are fine with being invoked as allies.

Here are the options:

Answer:
it is not possible to tell