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

[Q]: Sentence: 'a folding table sitting in a kitchen with a window behind the sink'. Count the occurrences of the word 'a' in the given sentence.
[A]: 3


[Q]: Sentence: 'she was walking down the side walk with her umbrella open'. Count the occurrences of the word 'down' in the given sentence.
[A]: 1


[Q]: Sentence: 'a person covers one ear while listening into a phone on the other'. Count the occurrences of the word 'a' in the given sentence.
[A]:
2