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

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

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