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

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

*GRAMMAR*
fep -> PURPLE 
 gazzer -> GREEN 
 wif -> BLUE 
 zup -> RED 
 x1 tufa x2 -> [x1] [x2] 
 u1 kiki x1 -> [u1] [x1] 
 u1 lug u2 -> [u1] [u2] 
 u1 x1 -> [u1] [x1] 
 