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

[Q]: Sentence: 'a man riding a long surfboard on a wave'. Count the occurrences of the word 'a' in the given sentence.
[A]: 3


[Q]: Sentence: 'a plate of food a piece of cake and a cup of coffee are sitting on a wooden table'. Count the occurrences of the word 'of' in the given sentence.
[A]: 3


[Q]: Sentence: 'tennis player bent down hitting ball on tennis court'. Count the occurrences of the word 'tennis' in the given sentence.
[A]:
2