Assertion: sunflower's seed | /r/HasProperty | placed
Facets:
Source sentences:
text: The large seeds have to be placed in soil that is about 1 inch in depth from the topsoil and each large seed must be placed 6 inches apart.
text: To catch all the seeds you can, place netting or a paper sack with air holes over each head.
text: Because of their smaller stalks, seeds only need to be placed three to six inches away.