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

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

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