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

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

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