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".

Input: Consider Input: Word1: wilderness 
 Word2: paper

Output: of


Input: Consider Input: Word1: technology 
 Word2: battery

Output: for


Input: Consider Input: Word1: imbalance 
 Word2: trade


Output: in