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

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

*GRAMMAR*
fep -> YELLOW 
 zup -> GREEN 
 kiki -> RED 
 wif -> BLUE 
 x1 gazzer -> [x1] [x1] 
 x1 tufa u1 -> [x1] [u1] [u1] 
 x1 lug x2 -> [x1] [x2] 
 u1 x1 -> [u1] [x1] 
 