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

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

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