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

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

*GRAMMAR*
gazzer -> GREEN 
 lug -> PURPLE 
 blicket -> BLUE 
 tufa -> PINK 
 u1 fep u2 -> [u2] [u1] [u2] 
 u1 zup -> [u1] [u1] 
 x1 dax x2 -> [x2] [x2] [x1] 
 u1 x1 -> [u1] [x1] 
 