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

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

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