16035
The original bridge was a steel arch design , and arches , which have long been used to signify international gateways , were incorporated into the design of the Matamoros Gateway border station in the 1950s .
 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