105489
Common types of challenging behaviour include self-injurious behaviour ( such as hitting , headbutting , biting , scratching ) , aggressive behaviour ( such as hitting others , headbutting , shouting , swearing , screaming , scratching others , spitting , biting , punching , hair pulling , kicking ) , inappropriate sexualised behaviour ( such as public masturbation or groping ) , behaviour directed at property ( such as throwing objects and stealing ) and stereotyped behaviours ( such as repetitive rocking or echolalia ) .
 echolalia
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:
 echolalia