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

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

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