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 zebra is running toward a shady area under the trees'. How many words start with the letter 'a' in the sentence.
[A]: 3


[Q]: Sentence: 'a man stands and holds a brown teddy bear'. How many words start with the letter 't' in the sentence.
[A]: 1


[Q]: Sentence: 'a black bicycle leaning against the kitchen cabinets'. How many words start with the letter 'a' in the sentence.
[A]:
2