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

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

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