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

Example Input: Sentence: 'a kitchen in a camp with gear and coats laid out'. How many words contain the letter 'i' in the sentence.
Example Output: 4

Example Input: Sentence: 'a man in a helmet leans on his motorcycle'. How many words contain the letter 'n' in the sentence.
Example Output: 4

Example Input: Sentence: 'a large tall tower with a clock on top'. How many words contain the letter 'g' in the sentence.
Example Output:
1