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

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

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