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

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

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