The speaker says the vision encoder does not adequately interpret an image in the context of a biological question, including mapping domain-specific terms in the question to visual features.

“Um, it lacks like a understanding of what this image is in the context of this biological question that has a lot of, you know, domain-specific terms that may be mapped to what is the red stuff in this image, you know, needs to be translated from some, uh, four-syllable word in the question.”