*SUPPORT*
IN: tufa kiki OUT: RED RED
IN: dax blicket OUT: YELLOW YELLOW YELLOW YELLOW
IN: tufa fep OUT: RED GREEN
IN: zup zup kiki OUT: PURPLE PURPLE PURPLE
IN: fep dax OUT: GREEN YELLOW
IN: zup blicket OUT: PURPLE PURPLE PURPLE PURPLE
IN: dax kiki gazzer zup tufa gazzer fep blicket OUT: GREEN GREEN GREEN GREEN PURPLE RED YELLOW YELLOW
IN: dax kiki OUT: YELLOW YELLOW
IN: zup dax gazzer zup gazzer zup OUT: PURPLE PURPLE PURPLE YELLOW
IN: fep tufa tufa OUT: GREEN RED RED
IN: fep OUT: GREEN
IN: fep dax blicket OUT: GREEN YELLOW YELLOW YELLOW YELLOW
IN: tufa gazzer dax OUT: YELLOW RED
IN: tufa dax zup zup OUT: RED YELLOW PURPLE PURPLE

*QUERY*
IN: zup gazzer tufa fep kiki OUT: RED GREEN GREEN PURPLE
IN: dax tufa kiki OUT: YELLOW RED RED
IN: zup kiki OUT: PURPLE PURPLE
IN: dax fep blicket OUT: YELLOW GREEN GREEN GREEN GREEN
IN: zup OUT: PURPLE
IN: tufa OUT: RED
IN: fep fep kiki OUT: GREEN GREEN GREEN
IN: fep blicket OUT: GREEN GREEN GREEN GREEN
IN: fep dax dax kiki OUT: GREEN YELLOW YELLOW YELLOW
IN: fep blicket gazzer fep blicket OUT: GREEN GREEN GREEN GREEN GREEN GREEN GREEN GREEN

*GRAMMAR*
tufa -> RED 
 dax -> YELLOW 
 fep -> GREEN 
 zup -> PURPLE 
 u1 blicket -> [u1] [u1] [u1] [u1] 
 u1 kiki -> [u1] [u1] 
 x1 gazzer x2 -> [x2] [x1] 
 u1 x1 -> [u1] [x1] 
 