xxx: Interesting – did they try such simple things as: to show the dolphins a fish – to write down what they are saying, to show the shark – to write down, show... – to write down and so much, including creating situations and recording, etc. Then analyze thoroughly.

yyy:...and it will be "The two-legged got tired of all sorts of tablets, better if the fish were given"

Zzz: And if I show you a shark a meter from you, would you say the first word “shark”? Or we get a delphin mat dictionary.