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: mall 
 Word2: shopping

Answer: for


Question: Word1: industry 
 Word2: metallurgy

Answer: for


Question: Word1: authority 
 Word2: plumbing

Answer:
for