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

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

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