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

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

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