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

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

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