8527
In 1983 , NKA ( previously known as substance K or neuromedin L ) was isolated from porcine spinal cord and was also found to stimulate intestinal contraction .
 animal: porcine
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:
 animal: porcine