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

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

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