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

[EX Q]: Sentence: 'a living room filled with furniture and a large wooden shelf'. How many words contain the letter 'e' in the sentence.
[EX A]: 5

[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 bathroom has a marble countertop white cabinet and floor red rug and rustcolored shower curtain'. How many words contain the letter 'd' in the sentence.
[EX A]:
4