Proceedings of the Fourth Workshop on Visually Grounded Interaction and Language Cătălina Cangea editor Abhishek Das editor Drew Hudson editor Jacob Krantz editor Stefan Lee editor Jiayuan Mao editor Florian Strub editor Alane Suhr editor Erik Wijmans editor 2021-06 Association for Computational Linguistics Online text conference publication vigil-2021-visually https://aclanthology.org/2021.vigil-1.0/