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: systems 
 Word2: ratings

Answer: of


Question: Word1: force 
 Word2: task

Answer: for


Question: Word1: bout 
 Word2: championship

Answer:
for