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

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

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