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

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

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