I guess it’s an even bigger generalization; not just: “is this a fetch toy or not”, but: “which of the available objects me and the human can use for a given ac

I guess it’s an even bigger generalization; not just: “is this a fetch toy or not”, but: “which of the available objects me and the human can use for a given activity”. Also, I now suspect that dogs that selected “pull” toys for fetching (or vice versa) didn’t care about the experiment and only wanted to play with these toys in that specific way.