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

To stay a flat sheet in a steam boiler.

I had to stay at home and watch the children.
Answer: different meanings

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

Although I don't speak Chinese I managed to talk with the villagers using signs and gestures.

The baby talks already.
Answer: the same meaning

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

A thread of smoke climbed upward.

From the air the road was a grey thread.
Answer:
the same meaning