TASK DEFINITION: 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".
PROBLEM: Word1: incandescence 
 Word2: pearl

SOLUTION: of

PROBLEM: Word1: duct 
 Word2: bile

SOLUTION: for

PROBLEM: Word1: coals 
 Word2: hole

SOLUTION:
in