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

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

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