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.

Sentence: 'a man on a beach throwing a frisbee while two people walking the water'. How many words start with the letter 'a' in the sentence.
3

Sentence: 'horses are being walked around a race track'. How many words start with the letter 't' in the sentence.
1

Sentence: 'a tennis player walking off the court'. How many words start with the letter 't' in the sentence.

2