598
Some non-avialan dinosaurs , such as " Troodon " , exhibited iterative laying , where the adult might lay a pair of eggs every one or two days , and then ensured simultaneous hatching by delaying brooding until all eggs were laid .
 person: Troodon
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: Troodon