1139
Together , they surveyed the island with the findings published in 1870 when the population was listed as 35 people , their 13 houses built of split palm battens thatched on the roof and sides with palm leaves .
 food: palm
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: palm