*SUPPORT*
IN: dax zup gazzer OUT: YELLOW YELLOW BLUE BLUE BLUE YELLOW
IN: dax fep kiki fep OUT: YELLOW GREEN GREEN GREEN GREEN
IN: fep gazzer OUT: GREEN BLUE
IN: fep lug OUT: GREEN PINK
IN: dax OUT: YELLOW
IN: lug zup lug OUT: PINK PINK PINK PINK PINK PINK
IN: dax kiki fep wif OUT: GREEN YELLOW YELLOW YELLOW GREEN YELLOW YELLOW YELLOW
IN: lug OUT: PINK
IN: lug dax kiki fep OUT: PINK GREEN YELLOW YELLOW YELLOW
IN: lug kiki lug OUT: PINK PINK PINK PINK
IN: gazzer fep OUT: BLUE GREEN
IN: dax kiki dax OUT: YELLOW YELLOW YELLOW YELLOW
IN: dax dax OUT: YELLOW YELLOW
IN: fep kiki lug OUT: PINK GREEN GREEN GREEN

*QUERY*
IN: gazzer OUT: BLUE
IN: lug kiki fep OUT: GREEN PINK PINK PINK
IN: gazzer kiki gazzer OUT: BLUE BLUE BLUE BLUE
IN: lug fep kiki gazzer OUT: PINK BLUE GREEN GREEN GREEN
IN: lug zup fep OUT: PINK PINK GREEN GREEN GREEN PINK
IN: fep lug dax kiki fep OUT: GREEN PINK GREEN YELLOW YELLOW YELLOW
IN: lug wif wif OUT: PINK PINK PINK PINK
IN: gazzer kiki dax OUT: YELLOW BLUE BLUE BLUE
IN: fep OUT: GREEN
IN: dax dax fep wif OUT: YELLOW YELLOW GREEN YELLOW YELLOW GREEN

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