instruction:
In this task, you need to count the number of words in a sentence that start with the given letter. Answer with numbers and not words.
question:
Sentence: 'two men on ski boards in the midst of a blizzard'. How many words start with the letter 's' in the sentence.
answer:
1


question:
Sentence: 'a couple of people flying a kite in a field'. How many words start with the letter 'a' in the sentence.
answer:
3


question:
Sentence: 'a woman is taking a picture of herself in the mirror with a camera'. How many words start with the letter 'a' in the sentence.
answer:

3