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.

[Q]: Sentence: 'a bed room with a dresser a wardrobe and a bed'. How many words start with the letter 'a' in the sentence.
[A]: 5


[Q]: Sentence: 'a bathroom has an overhead shower wand above the tub'. How many words start with the letter 't' in the sentence.
[A]: 2


[Q]: Sentence: 'a variety of aerial vehicles in a hangar'. How many words start with the letter 'a' in the sentence.
[A]:
3