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

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

*GRAMMAR*
wif -> PINK 
 fep -> PURPLE 
 dax -> RED 
 lug -> BLUE 
 x1 zup x2 -> [x2] [x1] 
 u1 tufa u2 -> [u1] [u2] 
 x1 gazzer -> [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 