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

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

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