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

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

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