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

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

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