70741
The undercarriage was of the split type required by the torpedo dropping role , but a carrier mechanism between the legs could also hold a 185 imp gal ( 840 L ) fuel tank for reconnaissance work .
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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:  
Answer:
 None