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

Sentence: 'two motorcycle riders pose with motorcycles in front of a brick building'. How many words contain the letter 'c' in the sentence.
3

Sentence: 'people walking down the sidewalk with no turn signs'. How many words contain the letter 'e' in the sentence.
3

Sentence: 'a number of cars on a city street near a traffic light'. How many words contain the letter 'b' in the sentence.

1