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

[Q]: Sentence: 'some kids are all taking a photograph together'. How many words contain the letter 'e' in the sentence.
[A]: 3


[Q]: Sentence: 'a person is riding a bicycle on the street'. How many words contain the letter 'b' in the sentence.
[A]: 1


[Q]: Sentence: 'a person is holding an open umbrella over their head'. How many words contain the letter 'o' in the sentence.
[A]:
4