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

[Q]: Sentence: 'the facades of the buildings in the row are all the same'. How many words contain the letter 'f' in the sentence.
[A]: 2


[Q]: Sentence: 'a cat in a tie sits on the couch'. How many words contain the letter 't' in the sentence.
[A]: 4


[Q]: Sentence: 'there is a child on skis laying in the snow'. How many words contain the letter 'a' in the sentence.
[A]:
2