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: machine 
 Word2: fax

Output: for


Input: Consider Input: Word1: options 
 Word2: policy

Output: about


Input: Consider Input: Word1: group 
 Word2: conservation


Output: for