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

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

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