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 puppy sits on top of a computer chair'. How many words start with the letter 'c' in the sentence.
[EX A]: 2

[EX Q]: Sentence: 'a kitchen filled with appliances and cooking utensils'. How many words start with the letter 'a' in the sentence.
[EX A]: 3

[EX Q]: Sentence: 'people are standing on the sidewalk next to a bus'. How many words start with the letter 't' in the sentence.
[EX A]:
2