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

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

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