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

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

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