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".

Word1: classifications 
 Word2: period
in

Word1: cells 
 Word2: cancer
with

Word1: bar 
 Word2: iron

of

