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

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

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