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: gain 
 Word2: earnings

Ex Output:
in


Ex Input:
Word1: agreement 
 Word2: trade

Ex Output:
on


Ex Input:
Word1: concern 
 Word2: gas

Ex Output:

about