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

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

*GRAMMAR*
wif -> GREEN 
 kiki -> RED 
 gazzer -> YELLOW 
 fep -> PURPLE 
 u1 zup u2 -> [u2] [u1] 
 x1 tufa u1 -> [u1] [x1] [u1] [x1] 
 u1 lug x1 -> [x1] [u1] 
 u1 x1 -> [u1] [x1] 
 