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

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

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