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

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

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