 plausible that their content is determined by some combination of (1) non-sensory phenomenal states of a cognitive sort, which bear a relevant relation to the original phenomenal quality in question—e.g., a faint Humean phenomenal ‘idea’ that is relevantly related to the original ‘impression’; (2) dispositions to have such states; and (3) dispositions to recognize instances of the phenomenal quality in question. (2003: 239)