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

Refine paper stock.

Refine pig iron.

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

The story is false, so far as I can discover.

I discovered how she did it.

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

Her favorite subject is physics.

A moving picture of a train is more dramatic than a still picture of the same subject.

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

They had too much furniture for the small apartment.

A chair is furniture. Sofas are also furniture.

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