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

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

*GRAMMAR*
fep -> YELLOW 
 wif -> RED 
 kiki -> PINK 
 gazzer -> GREEN 
 x1 blicket x2 -> [x1] [x2] 
 u1 dax u2 -> [u2] [u1] 
 x1 lug x2 -> [x1] [x2] 
 u1 x1 -> [u1] [x1] 
 