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: engine 
 Word2: titanium

Output: of


Input: Consider Input: Word1: protagonist 
 Word2: backwoods

Output: from


Input: Consider Input: Word1: firm 
 Word2: consulting


Output: for