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

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

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