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

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

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