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

Example Input: 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.
Example Output: 3

Example Input: Sentence: 'a beautiful woman holding a pink frosted cake'. How many words contain the letter 'q' in the sentence.
Example Output: 0

Example Input: Sentence: 'a grouping of fruit made to look like a face'. How many words contain the letter 'u' in the sentence.
Example Output:
2