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

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

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