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

Example Input: Sentence: 'a woman poses with a large teddy bear'. How many words contain the letter 'u' in the sentence.
Example Output: 0

Example Input: Sentence: 'an over head view of people walking in a cramped area'. How many words contain the letter 'q' in the sentence.
Example Output: 0

Example Input: Sentence: 'a brown four legged animal with horns in the outdoors'. How many words contain the letter 's' in the sentence.
Example Output:
2