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

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

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