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

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

*GRAMMAR*
gazzer -> GREEN 
 wif -> BLUE 
 kiki -> PINK 
 dax -> RED 
 u1 zup u2 -> [u1] [u2] 
 x1 tufa x2 -> [x1] [x2] [x1] 
 u1 blicket -> [u1] [u1] [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 