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

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

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