instruction:
In this task, you need to count the number of words in a sentence that contain the given letter
question:
Sentence: 'man and woman posing for picture before prom'. How many words contain the letter 'c' in the sentence.
answer:
1


question:
Sentence: 'martha stewart holding a fluffy siamese cat on her arms'. How many words contain the letter 'a' in the sentence.
answer:
6


question:
Sentence: 'several people fly kites in the clear blue sky'. How many words contain the letter 'w' in the sentence.
answer:

0