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

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

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