Assertion: sugar's form | /r/HasProperty | pure
Facets:
Source sentences:
text: Marggraf's student, Franz Karl Achard, devised an economical industrial method to extract the sugar in its pure form in the late 18th century.
text: Marggraf's student, Franz Karl Achard, devised an economical industrial method to extract the sugar in its pure form in the late 18th century.