52090
Menaechmus ( circa 350 BC ) considered the problem geometrically by intersecting the pair of plane conics " ay " " = " " x " and " xy " " = " " ab " .
 Menaechmus
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 Menaechmus