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

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

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