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A wide variety of stone has been worked for building and general construction needs ( e.g. sand and gravel ) while other minerals have been mined or quarried for the chemical industry ( e.g. salt ) , the production of metals ( e.g. copper and tin ) or other uses ( e.g. china clay ) .
 food: salt
Please list all entity words in the text that fit the category.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} 
Answer:
 food: salt