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

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

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