*SUPPORT*
IN: dax wif tufa tufa kiki gazzer OUT: RED RED GREEN PINK
IN: dax tufa kiki gazzer OUT: PINK RED GREEN
IN: tufa kiki blicket OUT: RED BLUE
IN: tufa wif tufa dax wif dax kiki dax OUT: RED PINK PINK PINK RED
IN: tufa OUT: RED
IN: gazzer tufa tufa gazzer dax tufa OUT: GREEN RED RED GREEN PINK RED
IN: dax kiki dax OUT: PINK PINK
IN: dax gazzer wif dax kiki dax OUT: PINK PINK PINK GREEN
IN: blicket OUT: BLUE
IN: dax tufa OUT: PINK RED
IN: gazzer kiki gazzer lug OUT: GREEN GREEN GREEN GREEN GREEN GREEN
IN: tufa wif gazzer kiki tufa lug OUT: GREEN RED GREEN RED GREEN RED RED
IN: tufa kiki tufa OUT: RED RED
IN: tufa gazzer OUT: RED GREEN

*QUERY*
IN: gazzer kiki blicket OUT: GREEN BLUE
IN: dax wif dax OUT: PINK PINK
IN: blicket lug OUT: BLUE BLUE BLUE
IN: tufa gazzer wif blicket wif blicket OUT: RED BLUE BLUE GREEN
IN: dax OUT: PINK
IN: dax wif gazzer wif tufa kiki gazzer OUT: RED GREEN GREEN PINK
IN: gazzer OUT: GREEN
IN: tufa wif blicket kiki blicket OUT: BLUE BLUE RED
IN: dax wif dax wif gazzer OUT: GREEN PINK PINK
IN: gazzer kiki dax OUT: GREEN PINK

*GRAMMAR*
gazzer -> GREEN 
 blicket -> BLUE 
 tufa -> RED 
 dax -> PINK 
 u1 wif x1 -> [x1] [u1] 
 u1 kiki u2 -> [u1] [u2] 
 x1 lug -> [x1] [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 