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

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

*GRAMMAR*
tufa -> RED 
 gazzer -> YELLOW 
 fep -> GREEN 
 zup -> BLUE 
 u1 wif -> [u1] [u1] 
 x1 kiki -> [x1] [x1] [x1] [x1] 
 x1 lug x2 -> [x1] [x2] 
 u1 x1 -> [u1] [x1] 
 