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

[Q]: Sentence: 'a man is holding a camera on a rig while skateboarding in a parking lot'. Count the occurrences of the word 'a' in the given sentence.
[A]: 4


[Q]: Sentence: 'a wooden rail covered in snowboards on a snow covered mountain'. Count the occurrences of the word 'covered' in the given sentence.
[A]: 2


[Q]: Sentence: 'a small white animal laying in front of a fire place'. Count the occurrences of the word 'a' in the given sentence.
[A]:
2