E (I, B, R, T ) is a noncontextualized representation for each token and of its position in text, but also of the content and position of the bounding boxes.
vCR has much longer questions and answers compared to other popular visual Question Answering (vQA) datasets, such as vQA v1 (Antol et al., 2015), vQA v2 (Goyal et al., 2017) and GQA (Hudson and Manning, 2019), requiring more modeling capacity for language understanding.