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

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

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