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

[EX Q]: Sentence: 'a person on a beach flying a kite in the sky'. Count the occurrences of the word 'a' in the given sentence.
[EX A]: 3

[EX Q]: Sentence: 'a picture of a vase with pink flowers in it'. Count the occurrences of the word 'a' in the given sentence.
[EX A]: 2

[EX Q]: Sentence: 'a person doing a jump on a snowboard'. Count the occurrences of the word 'a' in the given sentence.
[EX A]:
3