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 group of people on skis on a snowy slope'. How many words contain the letter 'w' in the sentence.
1

Sentence: 'a young womans cat watches her bake in the kitchen'. How many words contain the letter 'r' in the sentence.

1