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

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

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