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

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

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