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

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

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