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: commercial 
 Word2: television

Ex Output:
on


Ex Input:
Word1: building 
 Word2: stone

Ex Output:
of


Ex Input:
Word1: bench 
 Word2: sheets

Ex Output:

with