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

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

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