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

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

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