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

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

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