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

Example Input: Sentence: 'a picture of a scene in a baseball game'. How many words contain the letter 'g' in the sentence.
Example Output: 1

Example Input: Sentence: 'multiple birds on the ground in a parking lot'. How many words contain the letter 'm' in the sentence.
Example Output: 1

Example Input: Sentence: 'in a group of leaves small bananas begin to grow'. How many words contain the letter 'd' in the sentence.
Example Output:
0