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

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

[Q]: Sentence: 'a pizza with sauce cheese and sausage sitting on a table'. How many words contain the letter 's' in the sentence.
[A]: 4

[Q]: Sentence: 'elegantly dress man with woman cutting a ceremonial cake'. How many words contain the letter 'g' in the sentence.
[A]:
2