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

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

*GRAMMAR*
kiki -> PURPLE 
 blicket -> BLUE 
 fep -> GREEN 
 lug -> RED 
 u1 wif -> [u1] [u1] 
 u1 tufa u2 -> [u1] [u1] [u2] 
 u1 dax u2 -> [u2] [u1] 
 u1 x1 -> [u1] [x1] 
 