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

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

*GRAMMAR*
tufa -> GREEN 
 kiki -> RED 
 gazzer -> BLUE 
 zup -> YELLOW 
 x1 fep -> [x1] [x1] [x1] [x1] 
 u1 wif u2 -> [u1] [u2] 
 u1 lug u2 -> [u2] [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 