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

Ex Input:
Sentence: 'black and white picture of a steam engine on a flooded track'. Count the occurrences of the word 'picture' in the given sentence.

Ex Output:
1


Ex Input:
Sentence: 'a picture of a vase with pink flowers in it'. Count the occurrences of the word 'a' in the given sentence.

Ex Output:
2


Ex Input:
Sentence: 'a picture of two boys standing outside'. Count the occurrences of the word 'standing' in the given sentence.

Ex Output:

1