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

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

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