Q: In this task, you will be presented with a context from an academic paper and a question separated with a
. You have to answer the question based on the context.
he first, OpenIE 4 BIBREF5 , descends from two popular OIE systems OLLIE BIBREF10 and Reverb BIBREF10 . The second was MinIE BIBREF7 , which is reported as performing better than OLLIE, ClauseIE BIBREF9 and Stanford OIE BIBREF9 .
Question: Which OpenIE systems were used?
A:
OpenIE4 and MiniIE