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

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

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