42952
It also exhibits a close relationship to " Oscillospira guillermondii " , a large bacterial species found in the guts of ruminant animals , which has yet to be grown in culture despite having been first observed in 1913 .
 animal: ruminant
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: ruminant 
Answer:
 animal: ruminant