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Players are able to view the Rho Cancri ( 55 Cancri ) star in the constellation of Cancer ; they can see the five known planets in the system .
 astronomical object: Rho Cancri ( 55 Cancri ); astronomical object: constellation; disease: Cancer
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: Rho Cancri ( 55 Cancri ), constellation, Cancer 
Answer:
 astronomical object: Rho Cancri ( 55 Cancri ); astronomical object: constellation; disease: Cancer