54773
It is not a coincidence that this happens in the visible range , as the mechanism of vision involves the change in bonding of a single molecule ( retinal ) which absorbs light in the rhodopsin in the retina of the human eye .
 food: retinal
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
 Entities: retinal 
Answer:
 food: retinal