87297
On close inspection it appears that nectar-feeding birds such as sunbirds rely on the ants and other insects that they find in flowers , not for a richer supply of protein , but for essential nutrients such as Vitamin B that are absent from nectar .
 Vitamin B
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 Vitamin B