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 close up of two black cows grazing the grass'. How many words contain the letter 'u' in the sentence.
Example Output: 1

Example Input: Sentence: 'the bridge overpasses the water and leads to several tall buildings'. How many words contain the letter 'i' in the sentence.
Example Output:
2