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

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

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