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 bird is drinking out of a red dish'. How many words start with the letter 'a' in the sentence.
[A]: 2


[Q]: Sentence: 'a man wearing a straw hat and a black shirt'. How many words start with the letter 'a' in the sentence.
[A]: 4


[Q]: Sentence: 'the drapes of a window are open in the small bathroom'. How many words start with the letter 'd' in the sentence.
[A]:
1