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

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

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