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

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

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