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: 'zebras and antelopes in a field of dried grass'. How many words start with the letter 'a' in the sentence.
[EX A]: 3

[EX Q]: Sentence: 'a bunch of tables in a hanger with an airplane overhead'. How many words start with the letter 'a' in the sentence.
[EX A]: 4

[EX Q]: Sentence: 'a man playing catch with a boy wearing gloves in a yard'. How many words start with the letter 'a' in the sentence.
[EX A]:
3