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

Example Input: Sentence: 'a person leaning on an elephant statue near trees'. How many words contain the letter 's' in the sentence.
Example Output: 3

Example Input: Sentence: 'a bed has an empty bag and folded laundry stacked on it'. How many words contain the letter 'm' in the sentence.
Example Output: 1

Example Input: Sentence: 'a living room that has some furniture in it'. How many words contain the letter 'g' in the sentence.
Example Output:
1