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

[EX Q]: Sentence: 'a dog on a deck ripping in to a plastic frisbee'. How many words contain the letter 'l' in the sentence.
[EX A]: 1

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

[EX Q]: Sentence: 'a plate has many different types of food on it'. How many words contain the letter 'r' in the sentence.
[EX A]:
1