instruction:
In this task, you need to count the number of words in a sentence that contain the given letter
question:
Sentence: 'a man with a skateboard up in air at a skateboard park'. How many words contain the letter 's' in the sentence.
answer:
2


question:
Sentence: 'a man using an outdoor oven to cook a pizza'. How many words contain the letter 'f' in the sentence.
answer:
0


question:
Sentence: 'a man with feet connected to board being carried across water'. How many words contain the letter 'i' in the sentence.
answer:

3