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

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

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