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

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

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