instruction:
In this task, you need to count the number of words in a sentence that contain the given letter
question:
Sentence: 'two elephants are standing by the concrete barrier'. How many words contain the letter 'c' in the sentence.
answer:
1


question:
Sentence: 'a tennis player holds a ball as if to throw it in the air to serve it'. How many words contain the letter 'o' in the sentence.
answer:
4


question:
Sentence: 'man on surf board riding the blue waves'. How many words contain the letter 'z' in the sentence.
answer:

0