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

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

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