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

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

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