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

[Q]: Sentence: 'a couple of lambs that are in the dirt'. How many words contain the letter 'l' in the sentence.
[A]: 2


[Q]: Sentence: 'a woman is standing at a fruit stand'. How many words contain the letter 'y' in the sentence.
[A]: 0


[Q]: Sentence: 'friends playing wii with each other in an office'. How many words contain the letter 'e' in the sentence.
[A]:
4