*SUPPORT*
IN: fep lug kiki zup kiki fep OUT: BLUE PINK BLUE GREEN
IN: lug gazzer fep kiki zup kiki fep OUT: BLUE PINK BLUE GREEN
IN: tufa kiki tufa OUT: YELLOW YELLOW
IN: lug fep blicket lug kiki tufa OUT: YELLOW GREEN BLUE GREEN GREEN GREEN GREEN
IN: fep blicket lug OUT: BLUE GREEN GREEN GREEN GREEN
IN: fep lug tufa blicket zup OUT: BLUE GREEN YELLOW PINK PINK PINK PINK
IN: fep blicket tufa OUT: BLUE YELLOW YELLOW YELLOW YELLOW
IN: lug gazzer fep gazzer zup OUT: PINK BLUE GREEN
IN: lug blicket tufa OUT: GREEN YELLOW YELLOW YELLOW YELLOW
IN: zup OUT: PINK
IN: lug OUT: GREEN
IN: tufa blicket tufa OUT: YELLOW YELLOW YELLOW YELLOW YELLOW
IN: tufa kiki fep OUT: BLUE YELLOW
IN: zup gazzer lug blicket fep OUT: GREEN BLUE BLUE BLUE BLUE PINK

*QUERY*
IN: fep gazzer tufa OUT: YELLOW BLUE
IN: tufa blicket zup OUT: YELLOW PINK PINK PINK PINK
IN: zup lug gazzer zup OUT: PINK PINK GREEN
IN: lug zup OUT: GREEN PINK
IN: tufa OUT: YELLOW
IN: fep blicket zup kiki tufa OUT: YELLOW BLUE PINK PINK PINK PINK
IN: lug blicket fep OUT: GREEN BLUE BLUE BLUE BLUE
IN: fep zup blicket zup kiki lug kiki lug OUT: GREEN GREEN BLUE PINK PINK PINK PINK PINK
IN: lug fep OUT: GREEN BLUE
IN: fep OUT: BLUE

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