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

[Q]: Sentence: 'a little girl laying on a bed holding a brown teddy bear'. Count the occurrences of the word 'a' in the given sentence.
[A]: 3


[Q]: Sentence: 'a person feeding a cow with a bottle'. Count the occurrences of the word 'a' in the given sentence.
[A]: 3


[Q]: Sentence: 'two people with a dog on a beach holding a surf board'. Count the occurrences of the word 'a' in the given sentence.
[A]:
3