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

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

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