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

[Q]: Sentence: 'a view from a plane window near a large snowy peak'. How many words contain the letter 'u' in the sentence.
[A]: 0


[Q]: Sentence: 'a beautiful old clock tower in a citys historic district'. How many words contain the letter 'a' in the sentence.
[A]: 3


[Q]: Sentence: 'a person flies a kite as the sun sets in the distance'. How many words contain the letter 'k' in the sentence.
[A]:
1