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

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

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