instruction:
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".
question:
Word1: standard 
 Word2: safety
answer:
for


question:
Word1: theory 
 Word2: quantum
answer:
about


question:
Word1: products 
 Word2: petroleum
answer:

from


