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

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

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