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

[EX Q]: Sentence: 'a cat sitting on a pan in an oven'. How many words start with the letter 'a' in the sentence.
[EX A]: 3

[EX Q]: Sentence: 'an up close picture of a zebra with hisher hair standing on end'. How many words start with the letter 'a' in the sentence.
[EX A]:
2