52022
During his dive to the Challenger Deep , he discovered new species of sea cucumber , squid worm and a giant single-celled amoeba .
 location: Challenger Deep
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities: Challenger Deep 
Answer:
 location: Challenger Deep