60567
About 8,300 to 7,700 years ago , the melting ice dam over Hudson Bay 's southernmost extension narrowed to the point where pressure and its buoyancy lifted it free , and the ice-dam failed catastrophically .
 location: Hudson Bay
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: Hudson Bay 
Answer:
 location: Hudson Bay