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

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

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