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: security 
 Word2: family

Output: of


Input: Consider Input: Word1: revenue 
 Word2: record

Output: from


Input: Consider Input: Word1: glaciers 
 Word2: mountain


Output: on