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

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

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