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

Sentence: 'smiling woman with hair in her face talking on a cellphone'. How many words contain the letter 'q' in the sentence.
0

Sentence: 'a large elephant is walking by some bars'. How many words contain the letter 'v' in the sentence.
0

Sentence: 'a pretty smiling lady holding something in the dark'. How many words contain the letter 'r' in the sentence.

2