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".

Ex Input:
Word1: signs 
 Word2: crematoria

Ex Output:
of


Ex Input:
Word1: industry 
 Word2: metallurgy

Ex Output:
for


Ex Input:
Word1: composition 
 Word2: percentage

Ex Output:

in