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

Ex Input:
Sentence: 'A room that has vases/urns  on display'. Count the number of verbs in this sentence.

Ex Output:
1


Ex Input:
Sentence: 'Two people shaving letters on the side of a goat'. Count the number of nouns in this sentence.

Ex Output:
4


Ex Input:
Sentence: 'A man and two sheep stand on green grass with a castle in the background'. Count the number of verbs in this sentence.

Ex Output:

1