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

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

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