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

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

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