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

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

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