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: 'an old fashioned table lamp on a bed side table in a hotel'. How many words start with the letter 'o' in the sentence.
[A]: 2


[Q]: Sentence: 'some unfinished looking wood is in a white bathroom'. How many words start with the letter 'w' in the sentence.
[A]: 2


[Q]: Sentence: 'a large white airplane sitting on a runway'. How many words start with the letter 'a' in the sentence.
[A]:
3