53477
The contract for the initial system was awarded to a GEC / John Mowlem joint venture in 1984 and the system was constructed from 1985 to 1987 at a cost of £ 77 " million .
 organization: GEC; organization: John Mowlem
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
 Entities: GEC, John Mowlem 
Answer:
 organization: GEC; organization: John Mowlem