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

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

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