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

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

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