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

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

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