SEASON PREMIERE: After a very lengthy hiatus between seasons, AMC’s Humans returns for Season 3. A year has passed on this show’s narrative as well, and the “synths” – this pre-Westworld term for its engineered humanoids – have been divided into two easily identifiable subgroups. As in Westworld, there are the functioning, unquestioning, human-like artificial beings – and then there are the “aware” ones, who have some semblance of identity and motivation beyond their programming. But in Humans, the manufacturers have mandated that these two groups are differentiated by eye color. If their eyes are bright green, beware…