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

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

*GRAMMAR*
fep -> BLUE 
 kiki -> GREEN 
 wif -> RED 
 gazzer -> PINK 
 x1 blicket u1 -> [u1] [x1] 
 x1 zup x2 -> [x2] [x1] [x1] [x2] [x2] [x2] [x1] 
 x1 tufa u1 -> [x1] [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 