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

*QUERY*
IN: dax kiki lug wif wif lug zup kiki OUT: RED RED BLUE BLUE PINK PINK
IN: wif OUT: BLUE
IN: tufa kiki lug dax kiki OUT: YELLOW YELLOW RED RED
IN: zup kiki OUT: PINK PINK
IN: tufa OUT: YELLOW
IN: wif kiki fep wif kiki OUT: BLUE BLUE BLUE BLUE BLUE BLUE
IN: zup lug zup OUT: PINK PINK
IN: tufa kiki OUT: YELLOW YELLOW
IN: zup tufa OUT: PINK YELLOW
IN: zup kiki fep tufa OUT: YELLOW PINK PINK YELLOW

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