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

Example Input: Sentence: 'The tower of the building has a clock displayed on the front of it'. Count the number of nouns in this sentence.
Example Output: 4

Example Input: Sentence: 'A person smiles as she stands on a skateboard in a crowd with a photographer nearby'. Count the number of verbs in this sentence.
Example Output: 2

Example Input: Sentence: 'A train is pulling into the train station'. Count the number of verbs in this sentence.
Example Output:
1