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

Input: Consider Input: Sentence: 'a young boy in traditional clothing holding a fan and a cell phone'. Count the occurrences of the word 'boy' in the given sentence.

Output: 1


Input: Consider Input: Sentence: 'a woman and a child at a table with plates and glasses'. Count the occurrences of the word 'a' in the given sentence.

Output: 3


Input: Consider Input: Sentence: 'a clock mounted on the wall above and on a mirror'. Count the occurrences of the word 'a' in the given sentence.


Output: 2