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".
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Question: Word1: merger 
 Word2: future

Answer: in


Question: Word1: conflict 
 Word2: trade

Answer: in


Question: Word1: need 
 Word2: change

Answer:
of