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

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

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