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: bottle 
 Word2: powder

Output: of


Input: Consider Input: Word1: demand 
 Word2: security

Output: for


Input: Consider Input: Word1: fingers 
 Word2: soil


Output: in