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

Ex Input:
Sentence: 'A street with cars driving down and a traffic signal ahead'. Count the number of verbs in this sentence.

Ex Output:
1


Ex Input:
Sentence: 'Two people standing next to a huge wall looking at their cell phones'. Count the number of nouns in this sentence.

Ex Output:
4


Ex Input:
Sentence: 'there are a group elephants that can be seen in the wild'. Count the number of nouns in this sentence.

Ex Output:

3