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

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

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