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

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

*GRAMMAR*
wif -> GREEN 
 kiki -> RED 
 fep -> YELLOW 
 tufa -> BLUE 
 u1 dax u2 -> [u1] [u2] 
 u1 gazzer -> [u1] [u1] 
 x1 blicket x2 -> [x1] [x2] [x2] [x2] 
 u1 x1 -> [u1] [x1] 
 