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

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

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