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

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

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