|context> => |context: testing ecs>

fish |x> => |fish-x>
next |x> => |u> + |v> + |fish-x> + 3.000|w>

fish |y> => |fish-y>
next |y> => |op-fish-y>
next2 |y> => |op-fish-y>

op |fish-y> => |op-fish-y>