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

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

*GRAMMAR*
tufa -> PURPLE 
 dax -> GREEN 
 gazzer -> BLUE 
 wif -> RED 
 x1 blicket x2 -> [x2] [x1] 
 u1 fep -> [u1] [u1] [u1] 
 u1 lug -> [u1] [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 