Q: Does "source" have the same meaning in the following two sentences?

Pittsburgh is the source of the Ohio River.

He spent hours looking for the source of that quotation.

OPTIONS:
- different meanings
- the same meaning

A: different meanings

Q: Does "enter" have the same meaning in the following two sentences?

Enter an agreement.

Enter negotiations.

OPTIONS:
- different meanings
- the same meaning

A: the same meaning

Q: Does "catch" have the same meaning in the following two sentences?

I have to catch a train at 7 o'clock.

I have some free time tonight so I think I'll catch a movie.

OPTIONS:
- different meanings
- the same meaning

A:
different meanings