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

Input: Consider Input: Sentence: 'a black and white photo of an airplane being loaded'. Count the occurrences of the word 'of' in the given sentence.

Output: 1


Input: Consider Input: Sentence: 'a man kiteboarding over a body of water'. Count the occurrences of the word 'a' in the given sentence.

Output: 2


Input: Consider Input: Sentence: 'a cat sitting on top of a chair next to two phones'. Count the occurrences of the word 'a' in the given sentence.


Output: 2