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

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

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