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

Sentence: 'a woman bent down on the street holding her umbrella'. How many words contain the letter 'x' in the sentence.
0

Sentence: 'a woman in a wheelchair is about to play tennis'. How many words contain the letter 'r' in the sentence.
1

Sentence: 'a woman is scooping food in a pan on the stove'. How many words contain the letter 'g' in the sentence.

1