*SUPPORT*
IN: tufa tufa lug OUT: GREEN GREEN GREEN
IN: gazzer lug wif tufa OUT: PURPLE PURPLE PURPLE PURPLE PURPLE PURPLE GREEN
IN: zup tufa lug OUT: BLUE GREEN GREEN
IN: zup lug OUT: BLUE BLUE
IN: fep lug OUT: RED RED
IN: tufa wif gazzer lug OUT: GREEN GREEN GREEN PURPLE PURPLE
IN: tufa kiki fep zup lug kiki gazzer lug OUT: GREEN RED BLUE BLUE PURPLE PURPLE
IN: fep OUT: RED
IN: zup OUT: BLUE
IN: gazzer fep OUT: PURPLE RED
IN: tufa OUT: GREEN
IN: gazzer lug OUT: PURPLE PURPLE
IN: fep zup OUT: RED BLUE
IN: gazzer tufa gazzer tufa kiki gazzer OUT: PURPLE GREEN PURPLE GREEN PURPLE

*QUERY*
IN: tufa lug OUT: GREEN GREEN
IN: zup tufa OUT: BLUE GREEN
IN: tufa lug kiki gazzer OUT: GREEN GREEN PURPLE
IN: tufa zup lug OUT: GREEN BLUE BLUE
IN: fep gazzer lug kiki zup wif fep gazzer OUT: RED PURPLE PURPLE BLUE BLUE BLUE RED PURPLE
IN: tufa fep OUT: GREEN RED
IN: gazzer lug wif gazzer OUT: PURPLE PURPLE PURPLE PURPLE PURPLE PURPLE PURPLE
IN: zup fep OUT: BLUE RED
IN: zup wif fep fep zup lug kiki fep OUT: BLUE BLUE BLUE RED RED BLUE BLUE RED
IN: gazzer OUT: PURPLE

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