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

Ex Input:
Sentence: 'a man is flying through the air on a snowboard'. Count the number of nouns in this sentence.

Ex Output:
3


Ex Input:
Sentence: 'Someone hung a clock from a building not knowing that the numbers were all backward'. Count the number of verbs in this sentence.

Ex Output:
2


Ex Input:
Sentence: 'Four small broccoli plants in a brown planter'. Count the number of verbs in this sentence.

Ex Output:

0