1347
Due to the fractal nature of any fair market and being market participants subject to the law of competition which impose reinvesting an increasing part of profits , the mean statistical chance of bankruptcy within the half life of any participant is also 50 % and 100 % whether an infinite sample of time is considered .
 time: half life
Please list all entity words in the text that fit the category.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} 
Answer:
 time: half life