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

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

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