179377
It only measured 2 – 3 feet by 5 feet ( 61 – 91 cm by 1.5 m ) , and was intended as the drain for a larger tunnel for passenger use .
 None
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