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

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

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