sentence1: as a testbed , we present a sequence of ‘ negative ’ results culminating in a ‘ positive ’ one – showing that while most agent-invented languages are effective ( i . e . achieve near-perfect task .
sentence2: in conclusion , we presented a sequence of ‘ negative ’ results culminating in a ‘ positive ’ one – showing that while most invented languages are effective ( i.e . achieve near-perfect rewards ) , they are decidedly not interpretable or compositional .