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

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

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