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

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

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