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

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

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