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

Example Input: Sentence: 'a couple of cut outs of plants berries and apples'. How many words contain the letter 'd' in the sentence.
Example Output: 1

Example Input: Sentence: 'a little boy that is sitting near two birds'. How many words contain the letter 'm' in the sentence.
Example Output: 0

Example Input: Sentence: 'there is a man that is on the skateboard ramp'. How many words contain the letter 'i' in the sentence.
Example Output:
2