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

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

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