Question: "masturbate" used in the same way in the following two sentences?

I find this difficult to masturbate to.

The old man wanted to be masturbated by the prostitute.

OPTIONS:
- different meanings
- the same meaning
Answer: the same meaning
Question: "case" used in the same way in the following two sentences?

A mental case.

The musicians left their instrument cases backstage.

OPTIONS:
- different meanings
- the same meaning
Answer: different meanings
Question: "sign" used in the same way in the following two sentences?

The hunters found deer sign at the end of the trail.

They welcomed the signs of spring.

OPTIONS:
- different meanings
- the same meaning
Answer: the same meaning
Question: "time" used in the same way in the following two sentences?

Okay, but this is the last time. No more after that!

That's three times he's made the same mistake.

OPTIONS:
- different meanings
- the same meaning
Answer:
the same meaning