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

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

*GRAMMAR*
lug -> RED 
 gazzer -> BLUE 
 zup -> PURPLE 
 wif -> PINK 
 u1 tufa x1 -> [x1] [x1] [u1] [u1] 
 u1 dax u2 -> [u2] [u1] 
 x1 fep -> [x1] [x1] [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 