Problem: Here is a premise:
We ascended up a broken staircase, and found my front door.

Here is a hypothesis:
The staircase before my front door was broken.

Here are the options:

Answer: yes

Problem: Here is a premise:
A day, when you look in the mirror and realize that you're not sure you know the person staring impudently back at you with blood-shot eyes.

Here is a hypothesis:
A day when you look into the mirror and don't recognize the person looking back at you.

Here are the options:

Answer: yes

Problem: Here is a premise:
EPA had a link on its home page for particular audience groups.

Here is a hypothesis:
The audience groups who might visit the EPA include bio-activists, scientists no students.

Here are the options:

Answer: it is not possible to tell

Problem: Here is a premise:
hum then you'll never leave yeah oh

Here is a hypothesis:
You'll never leave.

Here are the options:

Answer:
yes