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

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

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