55342
Of all the plants , " Azolla " has the most intimate relationship with a symbiont , as its cyanobacterium symbiont " Anabaena " is passed on directly from one generation to the next .
 plant: Azolla; animal: Anabaena
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: Azolla, Anabaena 
Answer:
 plant: Azolla; animal: Anabaena