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

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

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