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

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

*GRAMMAR*
gazzer -> YELLOW 
 zup -> BLUE 
 tufa -> PURPLE 
 wif -> RED 
 u1 lug u2 -> [u2] [u1] 
 x1 dax x2 -> [x2] [x1] [x1] 
 u1 kiki u2 -> [u2] [u1] 
 u1 x1 -> [u1] [x1] 
 