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

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

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