instruction:
In this task, you need to count the number of words in a sentence that contain the given letter
question:
Sentence: 'a man walking across a beach carrying a surfboard'. How many words contain the letter 'i' in the sentence.
answer:
2

question:
Sentence: 'a group of people on a beach beneath a cloudy sky'. How many words contain the letter 'g' in the sentence.
answer:
1

question:
Sentence: 'a group of people that are standing in the water'. How many words contain the letter 'n' in the sentence.
answer:
2