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

Ex Input:
Sentence: 'a red and white stop sign and a black and white sign and a building'. Count the occurrences of the word 'and' in the given sentence.

Ex Output:
4


Ex Input:
Sentence: 'a guy and a girl standing together on a floor with wii remotes'. Count the occurrences of the word 'a' in the given sentence.

Ex Output:
3


Ex Input:
Sentence: 'a red and white train is sitting on the side of the road'. Count the occurrences of the word 'the' in the given sentence.

Ex Output:

2