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

Sentence: 'some stop lights that are at an intersection'. How many words contain the letter 'c' in the sentence.
1

Sentence: 'dental personnel in dentist office standing in front of a computer screen'. How many words contain the letter 'w' in the sentence.
0

Sentence: 'a long green table with a cake surrounded by young children'. How many words contain the letter 'd' in the sentence.

2