8117
The water conducting capability is mostly taken care of by vessels : in some cases ( oak , chestnut , ash ) these are quite large and distinct , in others ( buckeye , poplar , willow ) too small to be seen without a hand lens .
 plant: buckeye; plant: poplar; plant: willow
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:
 plant: buckeye; plant: poplar; plant: willow