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

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

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