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

[EX Q]: Sentence: 'a man kiteboarding over a body of water'. Count the occurrences of the word 'a' in the given sentence.
[EX A]: 2

[EX Q]: Sentence: 'a woman laying in a bed with messy hair'. Count the occurrences of the word 'a' in the given sentence.
[EX A]: 2

[EX Q]: Sentence: 'a toilet with a brown seat is on a tile floor'. Count the occurrences of the word 'a' in the given sentence.
[EX A]:
3