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

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

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