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

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

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