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

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

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