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

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

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