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

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

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