Before revision:  We propose a number of explanations for these findings: LXMERT 's results on the image-sentence alignment task (and to a lesser extent those obtained by ViLBERT 12-in-1) indicate that the model may exhibit catastrophic URLetting .
After revision:  We propose a number of explanations for these findings: LXMERT 's results on the image-sentence alignment task (and to some extent ViLBERT 12-in-1) indicate that the model may exhibit catastrophic URLetting .