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

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

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