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

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

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