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

Sentence: 'a big sign that is lit up near some buildings'. How many words contain the letter 'r' in the sentence.
1

Sentence: 'a tv showing a broadcast from the weather channel'. How many words contain the letter 'j' in the sentence.
0

Sentence: 'a crowd of people walking around a city street'. How many words contain the letter 'p' in the sentence.

1