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

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

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