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

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

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