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

Ex Input:
Sentence: 'a picture with a keyboard pen and other things some shown larger with pictures on the side of the big picture'. Count the occurrences of the word 'picture' in the given sentence.

Ex Output:
2


Ex Input:
Sentence: 'a night scene of a secluded  street with nearby parking garage'. Count the occurrences of the word 'a' in the given sentence.

Ex Output:
2


Ex Input:
Sentence: 'flour people on a corner all using their cell phones'. Count the occurrences of the word 'on' in the given sentence.

Ex Output:

1