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

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

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