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

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

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