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

[EX Q]: Sentence: 'a woman is hitting a tennis ball with her racket'. How many words contain the letter 'c' in the sentence.
[EX A]: 1

[EX Q]: Sentence: 'a laptop is displayed on a small wooden platform'. How many words contain the letter 'k' in the sentence.
[EX A]: 0

[EX Q]: Sentence: 'a man sitting on the ground while smoking a cigarette'. How many words contain the letter 'c' in the sentence.
[EX A]:
1