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

[EX Q]: Sentence: 'a tennis player holds a ball as if to throw it in the air to serve it'. How many words contain the letter 'o' in the sentence.
[EX A]: 4

[EX Q]: Sentence: 'a girl laying on a couch with a bird on her head'. How many words contain the letter 'v' in the sentence.
[EX A]: 0

[EX Q]: Sentence: 'one person cutting a cake while the other pulls out slices on a spatula'. How many words contain the letter 'x' in the sentence.
[EX A]:
0