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

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

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