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

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

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