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

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

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