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

Ex Input:
Sentence: 'A passenger train going by on the tracks'. Count the number of nouns in this sentence.

Ex Output:
3


Ex Input:
Sentence: 'an unfinished kitchen with a stove and a counter'. Count the number of verbs in this sentence.

Ex Output:
0


Ex Input:
Sentence: 'A clock tower in between two leafless trees'. Count the number of verbs in this sentence.

Ex Output:

0