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

Example Input: Sentence: 'people walking down the sidewalk with no turn signs'. How many words contain the letter 'e' in the sentence.
Example Output: 3

Example Input: Sentence: 'there is a small bowl of soup and vegetables'. How many words contain the letter 'g' in the sentence.
Example Output: 1

Example Input: Sentence: 'people flying multicolored kites on a beach by the ocean'. How many words contain the letter 'c' in the sentence.
Example Output:
3