Pollen that lands on a stigma goes down a tube and makes a seed when it gets to the flower's egg down at the bottom.
(lands on a stigma; goes; down a tube) (lands on a stigma; makes; a seed; T:when it gets to the flower's egg down at the bottom) (it; gets down; to the flower's egg)
lands on a stigma lands on a stigma it
goes makes gets down
down a tube
a seed T:when it gets to the flower's egg down at the bottom
to the flower's egg