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

Ex Input:
Sentence: 'People are boarding and departing a train at a station'. Count the number of verbs in this sentence.

Ex Output:
2


Ex Input:
Sentence: 'A train on a track in the middle of a neighborhood'. Count the number of nouns in this sentence.

Ex Output:
4


Ex Input:
Sentence: 'A quiche topped with sauce next to a side of potatoes on a plate'. Count the number of verbs in this sentence.

Ex Output:

1