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

Sentence: 'a very big nice looking kitchen that is well lit'. How many words contain the letter 'r' in the sentence.
1

Sentence: 'a black sign that is standing in the grass'. How many words contain the letter 'f' in the sentence.
0

Sentence: 'workers doing some repairs on the side of a street'. How many words contain the letter 'b' in the sentence.

0