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

[EX Q]: Sentence: 'horses standing and laying down in the grass on a hill above a lake'. How many words contain the letter 'g' in the sentence.
[EX A]: 3

[EX Q]: Sentence: 'many people are playing a sports video game while standing up'. How many words contain the letter 'l' in the sentence.
[EX A]: 3

[EX Q]: Sentence: 'group of men playing frisbee on an athletic field'. How many words contain the letter 'h' in the sentence.
[EX A]:
1