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: 'a man in red and black jacket snowboarding on slope'. How many words start with the letter 'o' in the sentence.
answer:
1


question:
Sentence: 'a cat sitting next to boxes of produce sitting in front of a store'. How many words start with the letter 's' in the sentence.
answer:
3


question:
Sentence: 'a plate of a well rounded meal with gravy and other food'. How many words start with the letter 'a' in the sentence.
answer:

3