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

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

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