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

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

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