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

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

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