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

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

*GRAMMAR*
tufa -> GREEN 
 wif -> BLUE 
 kiki -> PURPLE 
 dax -> RED 
 x1 zup x2 -> [x1] [x2] 
 u1 blicket u2 -> [u1] [u2] [u1] 
 u1 fep u2 -> [u1] [u2] 
 u1 x1 -> [u1] [x1] 
 