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

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

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