5187
Most of the population works in rice cultivation but the delta region hosts other important economic activities such as fisheries , aquaculture , land reclamation for agriculture , harbor construction , mangrove forestry , etc .
 plant: mangrove
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: mangrove 
Answer:
 plant: mangrove