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

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

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