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

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

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