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

[EX Q]: Sentence: 'a silver truck a street a person and buildings'. How many words contain the letter 'l' in the sentence.
[EX A]: 2

[EX Q]: Sentence: 'a sleek and pointy fighter jet flying in the sky'. How many words contain the letter 'f' in the sentence.
[EX A]: 2

[EX Q]: Sentence: 'a group of people are smiling at a table'. How many words contain the letter 'c' in the sentence.
[EX A]:
0