instruction:
In this task, you need to count the number of words in a sentence that contain the given letter
question:
Sentence: 'black and white photo of old man riding a motorcycle'. How many words contain the letter 'n' in the sentence.
answer:
3


question:
Sentence: 'a table with two different pizzas on it'. How many words contain the letter 'j' in the sentence.
answer:
0


question:
Sentence: 'a handheld device displays facebook while lying on a computer keyboard'. How many words contain the letter 'l' in the sentence.
answer:

4