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

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

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