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

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

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