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

[Q]: Sentence: 'a large truck driving on a crowded street'. How many words contain the letter 'i' in the sentence.
[A]: 1


[Q]: Sentence: 'an elephant that is eating some leaves from a tree'. How many words contain the letter 'n' in the sentence.
[A]: 3


[Q]: Sentence: 'a close up of a street sign that is not in english'. How many words contain the letter 'p' in the sentence.
[A]:
1