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

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

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