In this task, you need to count the number of nouns/verbs in the given sentence.

Input: Consider Input: Sentence: 'A boy tucks his knees to complete a jump on his skate board'. Count the number of nouns in this sentence.

Output: 5


Input: Consider Input: Sentence: 'A red train engine coming into a station'. Count the number of nouns in this sentence.

Output: 3


Input: Consider Input: Sentence: 'two giraffes behind rocks with trees in the background'. Count the number of verbs in this sentence.


Output: 0