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

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

*GRAMMAR*
blicket -> BLUE 
 tufa -> GREEN 
 wif -> PURPLE 
 gazzer -> RED 
 u1 fep -> [u1] [u1] 
 u1 dax -> [u1] [u1] [u1] 
 x1 zup x2 -> [x2] [x1] [x2] [x2] [x1] 
 u1 x1 -> [u1] [x1] 
 