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

[EX Q]: Sentence: 'a van follows behind a bus on a rural road'. How many words contain the letter 'q' in the sentence.
[EX A]: 0

[EX Q]: Sentence: 'two children practicing for a ski race without poles'. How many words contain the letter 'e' in the sentence.
[EX A]: 3

[EX Q]: Sentence: 'an orioles player hits the ball and prepares to run'. How many words contain the letter 'x' in the sentence.
[EX A]:
0