Question: This question has options. Does the word "air" have the same definition in the next 2 sentences?

Open a window and let in some air.

I need some fresh air.
Answer: the same meaning

Question: This question has options. Does the word "keep" have the same definition in the next 2 sentences?

The family's fortune waned and they could not keep their household staff.

Keep count.
Answer: different meanings

Question: This question has options. Does the word "now" have the same definition in the next 2 sentences?

It worked up to right now.

Now is the right time.
Answer:
the same meaning