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

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

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