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

[EX Q]: Sentence: 'a person leaning on an elephant statue near trees'. How many words contain the letter 's' in the sentence.
[EX A]: 3

[EX Q]: Sentence: 'a man with baskets of goods stands next to his bicycle'. How many words contain the letter 'r' in the sentence.
[EX A]: 0

[EX Q]: Sentence: 'a man is on a motorcycle iwth a girl'. How many words contain the letter 'w' in the sentence.
[EX A]:
1