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

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

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