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: 'on one plate there is glazed donut and on the other plate there is mug of hot chocolate with a leaf shape swirled in it'. How many words start with the letter 's' in the sentence.
[EX A]: 2

[EX Q]: Sentence: 'a person is kite surfing on calm water while it is cloudy'. How many words start with the letter 'k' in the sentence.
[EX A]: 1

[EX Q]: Sentence: 'people standing near the water on a beach'. How many words start with the letter 'o' in the sentence.
[EX A]:
1