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

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

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