In this task, you're given an input that contains two words, and your task is to predict the correct preposition that connects these two words. Predict the preposition that explicitly conveys both words' meaning, e.g., Word1: king 
 Word2: fort: "king of fort". Possible prepositions are: "of", "on", "in", "for", "from", "about", and "with".

Ex Input:
Word1: revenue 
 Word2: advertising

Ex Output:
from


Ex Input:
Word1: rise 
 Word2: price

Ex Output:
in


Ex Input:
Word1: satisfaction 
 Word2: worker

Ex Output:

of