In this task, you need to count the number of words in a sentence that contain the given letter

[Q]: Sentence: 'a toilet and long handled plunger in a cleaned bathroom'. How many words contain the letter 'i' in the sentence.
[A]: 2


[Q]: Sentence: 'an elephant near a man sitting down'. How many words contain the letter 'y' in the sentence.
[A]: 0


[Q]: Sentence: 'a kitchen slab on which there is a microwave and few cups are kept in a tray'. How many words contain the letter 'm' in the sentence.
[A]:
1