instruction:
In this task, you need to count the number of words in a sentence that contain the given letter
question:
Sentence: 'the children are playing on the beach  next to the water'. How many words contain the letter 'h' in the sentence.
answer:
5


question:
Sentence: 'a man is sitting in a cubicle with a computer'. How many words contain the letter 'a' in the sentence.
answer:
4


question:
Sentence: 'a man rides a surf board under the curl of a wave'. How many words contain the letter 'x' in the sentence.
answer:

0