In this task, you need to count the occurrences of the given word in the given sentence.

Sentence: 'a man on a surf board holding on to a sail in the ocean'. Count the occurrences of the word 'a' in the given sentence.
3

Sentence: 'a man and a woman in a spare living room space standing far apart from each other'. Count the occurrences of the word 'a' in the given sentence.
3

Sentence: 'items in the basket on the fork of a bicycle'. Count the occurrences of the word 'on' in the given sentence.

1