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

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

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