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

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

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