55125
The course of the sun and the moon are the most salient natural , regularly recurring events useful for timekeeping , thus in pre-modern societies worldwide lunation and the year were most commonly used as time units .
 time: year
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: year 
Answer:
 time: year