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

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

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