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

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

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