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

[EX Q]: Sentence: 'a bench is in the ocean water with a fishing pole'. How many words contain the letter 'm' in the sentence.
[EX A]: 0

[EX Q]: Sentence: 'a group of giraffes walk across an open area'. How many words contain the letter 'm' in the sentence.
[EX A]: 0

[EX Q]: Sentence: 'a man is wearing a loose blue tie'. How many words contain the letter 'n' in the sentence.
[EX A]:
2