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

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

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