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

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

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