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

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

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