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

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

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