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

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

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