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

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

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