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

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

*GRAMMAR*
tufa -> PURPLE 
 kiki -> GREEN 
 zup -> BLUE 
 lug -> PINK 
 x1 fep x2 -> [x2] [x1] 
 u1 gazzer x1 -> [x1] [u1] [u1] 
 x1 blicket u1 -> [u1] [x1] 
 u1 x1 -> [u1] [x1] 
 