2138
Menaechmus ( circa 350 BC ) considered the problem geometrically by intersecting the pair of plane conics " ay " " = " " x " and " xy " " = " " ab " .
 person: Menaechmus
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 person: Menaechmus