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

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

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