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: 'a small terrier stands in the open suitcase ready to go'. How many words contain the letter 'l' in the sentence.
Example Output: 1

Example Input: Sentence: 'man in front of a red and orange bus'. How many words contain the letter 'j' in the sentence.
Example Output:
0