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

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

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