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

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

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