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

Input: Consider Input: Sentence: 'A bird with a long beak wades in algae-covered water'. Count the number of verbs in this sentence.

Output: 2


Input: Consider Input: Sentence: 'a big white airplane that is on a runway'. Count the number of verbs in this sentence.

Output: 1


Input: Consider Input: Sentence: 'A train running on a railway track in front of a station'. Count the number of nouns in this sentence.


Output: 5