instruction:
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".
question:
Word1: hall 
 Word2: trading
answer:
for


question:
Word1: company 
 Word2: reinsurance
answer:
for


question:
Word1: background 
 Word2: lives
answer:

of