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

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

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