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

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

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