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: 'two giraffe a mom and baby both with their heads up'. How many words contain the letter 'w' in the sentence.
2

Sentence: 'a plastic toy bat and ball lying in the grass'. How many words contain the letter 'a' in the sentence.

6