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

Sentence: 'a red car parked with a gas pump inserted into it'. How many words contain the letter 'l' in the sentence.
0

Sentence: 'a man sits on a bench with a dog in lap reading'. How many words contain the letter 'x' in the sentence.
0

Sentence: 'a pizza sitting in a box on a cloth'. How many words contain the letter 'r' in the sentence.

0