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 riding on top of a wave on a surfboard'. How many words start with the letter 'o' in the sentence.
3

Sentence: 'a woman wearing gloves that has a kite'. How many words start with the letter 't' in the sentence.
1

Sentence: 'a toilet outdoors on the ground near a tree'. How many words start with the letter 'a' in the sentence.

2