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

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

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