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

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

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