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

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

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