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

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

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