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

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

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