Original:  Further , we propose a predictive approach dubbed Imagine-then-Arbitrate (ITA) to resolve this Wait-or-Answer task. More specifically, we take advantage of an arbitrator model to help the dialogue system decide to wait or answer.
Revised:  Further , we propose a predictive approach dubbed Imagine-then-Arbitrate (ITA) neural dialogue model to help the dialogue system decide to wait or answer.
Edit intent: coherence