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

[Q]: Sentence: 'a man riding waves on his surfboard in the ocean'. How many words contain the letter 'v' in the sentence.
[A]: 1


[Q]: Sentence: 'a pizza pie is on a wooden serving tray'. How many words contain the letter 's' in the sentence.
[A]: 2


[Q]: Sentence: 'a group of young people playing with a soccer ball'. How many words contain the letter 'e' in the sentence.
[A]:
2