TOEFL Sample essay : integrated essay from TPO3

The lecture revises the idea presented in the text, that Rembrandt was not the artist who painted the famous painting "Portrait of an Elderly Woman in a White Bonnet”.
The inconsistency between the white cap, which identifies the woman as a servant, and the expensive fur collar she wears dissolves as the Professor explains that the fur collar was apparently painted over the original painting to increase its worth by displaying an aristocratic woman.

In addition, the assumption that light and shadow in the painting do not fit together is refuted by the fact that in the original painting, ...