*SUPPORT*
IN: tufa tufa fep lug wif OUT: BLUE BLUE RED GREEN RED
IN: tufa lug fep OUT: BLUE RED BLUE
IN: wif lug tufa OUT: GREEN BLUE GREEN
IN: wif OUT: GREEN
IN: fep lug tufa dax fep OUT: RED RED BLUE RED RED
IN: fep wif tufa OUT: RED GREEN BLUE
IN: blicket OUT: PURPLE
IN: blicket zup wif OUT: GREEN GREEN PURPLE PURPLE
IN: wif zup wif OUT: GREEN GREEN GREEN GREEN
IN: fep zup wif OUT: GREEN GREEN RED RED
IN: blicket lug wif OUT: PURPLE GREEN PURPLE
IN: tufa lug tufa OUT: BLUE BLUE BLUE
IN: fep lug blicket zup wif OUT: GREEN GREEN RED PURPLE RED RED PURPLE RED
IN: fep OUT: RED

*QUERY*
IN: tufa fep fep dax tufa OUT: BLUE BLUE RED RED BLUE
IN: blicket lug tufa OUT: PURPLE BLUE PURPLE
IN: fep lug fep OUT: RED RED RED
IN: wif blicket OUT: GREEN PURPLE
IN: blicket lug fep OUT: PURPLE RED PURPLE
IN: fep lug blicket OUT: RED PURPLE RED
IN: blicket zup tufa OUT: BLUE BLUE PURPLE PURPLE
IN: tufa OUT: BLUE
IN: tufa lug blicket OUT: BLUE PURPLE BLUE
IN: wif lug fep OUT: GREEN RED GREEN

*GRAMMAR*
wif -> GREEN 
 tufa -> BLUE 
 blicket -> PURPLE 
 fep -> RED 
 u1 lug u2 -> [u1] [u2] [u1] 
 x1 dax x2 -> [x2] [x1] [x2] 
 x1 zup u1 -> [u1] [u1] [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 