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

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

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