324866
This idea had been discarded due to the restricted loading gauge , and thought had turned to an articulated Garratt locomotive based on 2 GCR 8K 2-8-0s ( LNER Class O4 ) with a specially designed large boiler , but no move had been made to build such a locomotive when , in 1923 grouping , the GCR was absorbed into the LNER , and responsibility for locomotive design passed to the Chief Mechanical Engineer of the newly formed railway , Nigel Gresley .
 organization: LNER; organization: LNER; person: Nigel Gresley
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: LNER, LNER, Nigel Gresley 
Answer:
 organization: LNER; organization: LNER; person: Nigel Gresley