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

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

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