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

Example Input: Sentence: 'a man using an outdoor oven to cook a pizza'. How many words contain the letter 'f' in the sentence.
Example Output: 0

Example Input: Sentence: 'a blue traffic sign next to a parked car on a city street'. How many words contain the letter 'g' in the sentence.
Example Output: 1

Example Input: Sentence: 'a woman sitting with her small dog in her lap'. How many words contain the letter 'd' in the sentence.
Example Output:
1