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 batter lifts his left foot as he swings the bat'. How many words start with the letter 'a' in the sentence.
[EX A]: 2

[EX Q]: Sentence: 'a fighter jet on a runway with a cover over the cockpit'. How many words start with the letter 'a' in the sentence.
[EX A]: 3

[EX Q]: Sentence: 'slices of an orange in a white bowl'. How many words start with the letter 'o' in the sentence.
[EX A]:
2