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 room filled with a stove and surrounded by cabinets'. How many words start with the letter 'w' in the sentence.
[EX A]: 1

[EX Q]: Sentence: 'a fire hydrant beside a burned building in a city'. How many words start with the letter 'a' in the sentence.
[EX A]: 3

[EX Q]: Sentence: 'the snowboarder is talking to his friend in the snow'. How many words start with the letter 't' in the sentence.
[EX A]:
4