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

[Q]: Sentence: 'a cat sitting on the arm of a chair'. How many words contain the letter 'g' in the sentence.
[A]: 1


[Q]: Sentence: 'some girls on a soccer field playing soccer'. How many words contain the letter 'j' in the sentence.
[A]: 0


[Q]: Sentence: 'large elegant bird in flight with trailing legs above a body of water'. How many words contain the letter 'u' in the sentence.
[A]:
0