5622
The use of pig milk for human consumption does take place , but as there are certain difficulties in obtaining it , there is little commercial production .
 food: pig milk
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: pig milk