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

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

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