5617
Similar to a cat 's kneading , rooting is found comforting , first happens when they are born to obtain their mother 's milk , and can become a habitual , obsessive behavior which is most prominent in animals weaned too early .
 food: weaned
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: weaned