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

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

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