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

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

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