*SUPPORT*
IN: zup gazzer kiki lug OUT: RED RED BLUE
IN: wif gazzer OUT: PINK PINK
IN: lug dax lug kiki wif kiki lug OUT: BLUE BLUE PINK BLUE
IN: lug OUT: BLUE
IN: fep dax zup dax lug OUT: PURPLE RED BLUE
IN: lug zup kiki zup OUT: BLUE RED RED
IN: wif wif OUT: PINK PINK
IN: wif OUT: PINK
IN: zup gazzer OUT: RED RED
IN: lug dax wif gazzer OUT: BLUE PINK PINK
IN: lug gazzer OUT: BLUE BLUE
IN: fep fep dax zup gazzer OUT: PURPLE PURPLE RED RED
IN: lug fep wif OUT: BLUE PURPLE PINK
IN: fep dax fep dax lug OUT: PURPLE PURPLE BLUE

*QUERY*
IN: fep gazzer OUT: PURPLE PURPLE
IN: wif wif gazzer kiki lug OUT: PINK PINK PINK BLUE
IN: zup OUT: RED
IN: wif dax lug OUT: PINK BLUE
IN: zup wif dax fep gazzer kiki zup OUT: RED PINK PURPLE PURPLE RED
IN: wif zup dax wif gazzer OUT: PINK RED PINK PINK
IN: wif dax fep kiki fep OUT: PINK PURPLE PURPLE
IN: wif fep wif OUT: PINK PURPLE PINK
IN: lug wif dax fep gazzer OUT: BLUE PINK PURPLE PURPLE
IN: zup dax lug OUT: RED BLUE

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