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

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

*GRAMMAR*
gazzer -> GREEN 
 dax -> BLUE 
 fep -> YELLOW 
 tufa -> RED 
 x1 wif -> [x1] [x1] 
 u1 zup -> [u1] [u1] 
 u1 kiki u2 -> [u1] [u2] 
 u1 x1 -> [u1] [x1] 
 