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: tangle 
 Word2: branches
of

Word1: materials 
 Word2: construction
for

Word1: producer 
 Word2: polyethylene

of