There have even been studies that claimed a dog could use his sense of smell to tell identical twins apart!
(studies; claimed; a dog could use his sense of smell to tell identical twins apart) Context(studies claimed,List([21, 41))):(a dog; could use; his sense of smell; to tell identical twins apart)
studies claimed,List([21, 41))
studies a dog
claimed could use
a dog could use his sense of smell to tell identical twins apart
his sense of smell to tell identical twins apart