instruction:
In this task, you need to count the number of words in a sentence that contain the given letter
question:
Sentence: 'a bottle of beer and a red plate of food'. How many words contain the letter 'u' in the sentence.
answer:
0

question:
Sentence: 'a group of people on skis on a snowy slope'. How many words contain the letter 'w' in the sentence.
answer:
1

question:
Sentence: 'a nice blue laptop on a messy table'. How many words contain the letter 'r' in the sentence.
answer:
0