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

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

*GRAMMAR*
fep -> BLUE 
 lug -> RED 
 gazzer -> GREEN 
 wif -> YELLOW 
 x1 kiki x2 -> [x1] [x2] [x1] 
 x1 tufa u1 -> [x1] [u1] [x1] 
 u1 blicket -> [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 