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

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

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