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

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

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