question: Which family of birds are neither migratory or sedentary but considered to be dispersive , irruptive or nomadic ?
answer: Parrots
turker_answer: Parrots are neither migratory or sedentary but considered to be dispersive , irruptive or nomadic .
rule-based: Neither migratory or sedentary but considered to be dispersive , irruptive or nomadic are parrots .