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

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

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