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

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

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