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

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

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