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

Ex Input:
Sentence: 'A sandwich served on a plate with salad'. Count the number of verbs in this sentence.

Ex Output:
1

Ex Input:
Sentence: 'A woman standing next to a giant refrigerator freezer'. Count the number of nouns in this sentence.

Ex Output:
3

Ex Input:
Sentence: 'Small group of Zebras standing in an open field'. Count the number of nouns in this sentence.

Ex Output:
2