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

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 van follows behind a bus on a rural road'. How many words contain the letter 'q' in the sentence.
0

Sentence: 'a sign hanging over a highway and an overcast sky'. How many words contain the letter 'f' in the sentence.

0