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 picture of a plane in the air'. How many words contain the letter 'l' in the sentence.
[A]: 1


[Q]: Sentence: 'a train car with graphittie on it is stopped in the station'. How many words contain the letter 'u' in the sentence.
[A]:
0