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

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

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