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

Example Input: Sentence: 'a blue motorcycle parked next to a tree in a forest'. How many words contain the letter 'm' in the sentence.
Example Output: 1

Example Input: Sentence: 'a man wearing a striped tie and a hat'. How many words contain the letter 'h' in the sentence.
Example Output: 1

Example Input: Sentence: 'this is a portion of a painting showing a banana and an orange'. How many words contain the letter 't' in the sentence.
Example Output:
3