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

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

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