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

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

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