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.

[EX Q]: Sentence: 'a close up view of a mans hands as he operates a smart phone'. How many words start with the letter 'c' in the sentence.
[EX A]: 1

[EX Q]: Sentence: 'a man cuts into food being cooked on a grill'. How many words start with the letter 'o' in the sentence.
[EX A]: 1

[EX Q]: Sentence: 'a man skiing up a snowy hill at a resort'. How many words start with the letter 's' in the sentence.
[EX A]:
2