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

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

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