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

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

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