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

Example Input: Sentence: 'a group of people cooking pancakes in the field'. How many words contain the letter 'g' in the sentence.
Example Output: 2

Example Input: Sentence: 'a cat in a tie sits on the couch'. How many words contain the letter 't' in the sentence.
Example Output: 4

Example Input: Sentence: 'a man is water skiing in the ocean'. How many words contain the letter 'c' in the sentence.
Example Output:
1