Chaser knew the names of his 1000 toys not commands, he has been tested numerous times and was right every time. They tried to see if they could confuse him by using four of his toys and one that was not one of his , he picked the right one because he knew the names of four and picked the one he didn’t know the name of.
Steven Hopler only shot a gun once after he went blindand that was into his leg. All his guns were conficated by the police as he was considered a hazard.
Chaser knew the names of his 1000 toys not commands, he has been tested numerous times and was right every time. They tried to see if they could confuse him by using four of his toys and one that was not one of his , he picked the right one because he knew the names of four and picked the one he didn’t know the name of.