There are possibilities beyond intentionally controlling the elephant. There is for example the case of Clever Hans[1], a horse who was supposedly able to perfo

There are possibilities beyond intentionally controlling the elephant. There is for example the case of Clever Hans[1], a horse who was supposedly able to perform arithmetic: it was eventually concluded most likely that Hans was reacting to his trainer's unconscious cues. [1] https://en.wikipedia.org/wiki/Clever_Hans https://en.wikipedia.org/wiki/Clever_Hans