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: concern 
 Word2: gas

Ex Output:
about


Ex Input:
Word1: concern 
 Word2: newspaper

Ex Output:
about


Ex Input:
Word1: illustrations 
 Word2: catalogue

Ex Output:

in