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

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

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