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

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

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