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

Example Input: Sentence: 'a living room filled with furniture and a large wooden shelf'. How many words contain the letter 'e' in the sentence.
Example Output: 5

Example Input: Sentence: 'a stop sign that has been spray painted'. How many words contain the letter 'o' in the sentence.
Example Output: 1

Example Input: Sentence: 'a black and white photo os a child holding an open umbrella'. How many words contain the letter 't' in the sentence.
Example Output:
2