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

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

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