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

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

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