The word in capital letter has the emphatic stress. choose the option in which the given sentence relates. My mother bought a BICYCLE yesterday.
Answer Details
The sentence "My mother bought a BICYCLE yesterday" is related to the question "What did my mother buy yesterday?" as the word "BICYCLE" has the emphasized stress. The stress on "BICYCLE" is highlighting that this is the item that was bought.
In other words, the sentence is saying that yesterday, the speaker's mother purchased a bicycle. The stress on "BICYCLE" emphasizes the importance of what was bought and helps to clarify what the sentence is referring to.