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: 'two elephants with people riding on them next to block barriers'. How many words start with the letter 'o' in the sentence.
1

Sentence: 'funny close up of a man staring cross eyed at a remote control in his mouth'. How many words start with the letter 'c' in the sentence.
3

Sentence: 'a rusty metal park bench in a park'. How many words start with the letter 'a' in the sentence.

2