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

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

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