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

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

*GRAMMAR*
fep -> RED 
 wif -> PURPLE 
 blicket -> GREEN 
 zup -> BLUE 
 u1 dax u2 -> [u1] [u2] 
 u1 tufa -> [u1] [u1] 
 x1 lug -> [x1] [x1] [x1] [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 