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

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

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