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

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

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