In this task, you need to count the number of words in a sentence that contain the given letter
--------
Question: Sentence: 'a batter sings his bat at a baseball game'. How many words contain the letter 'h' in the sentence.

Answer: 1


Question: Sentence: 'a man is holding a bunch of green bananas in his yard'. How many words contain the letter 'i' in the sentence.

Answer: 4


Question: Sentence: 'a black and white photo of people at a train station'. How many words contain the letter 'n' in the sentence.

Answer:
3