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: difference 
 Word2: percent

Ex Output:
in


Ex Input:
Word1: trial 
 Word2: impeachment

Ex Output:
for


Ex Input:
Word1: semiconductor 
 Word2: power

Ex Output:

for