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

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

*GRAMMAR*
tufa -> RED 
 zup -> BLUE 
 lug -> GREEN 
 gazzer -> PURPLE 
 u1 fep x1 -> [u1] [x1] [u1] 
 u1 dax u2 -> [u1] [u2] 
 u1 kiki -> [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 