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

Example Input: Sentence: 'two men and two men having drinks at a bar'. How many words contain the letter 'g' in the sentence.
Example Output: 1

Example Input: Sentence: 'a child is lighting candles on a cake'. How many words contain the letter 't' in the sentence.
Example Output: 1

Example Input: Sentence: 'a couple of animals play in a watering hole'. How many words contain the letter 'f' in the sentence.
Example Output:
1