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

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

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