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: maker 
 Word2: apparel

Answer: of


Question: Word1: hygrometers 
 Word2: absorption

Answer: with


Question: Word1: union 
 Word2: trade

Answer:
for