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

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

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