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

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

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