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

Don't underestimate the danger of such a raft trip on this river.

He underestimated the work that went into the renovation.

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

Play fair.

Play football.

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

It has become less common to say grace before having dinner.

God's grace is manifested in the salvation of sinners.

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

They gained ground step by step.

They fought to regain the lost ground.

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