Assertion: marsupial | /r/CapableOf | look for living specimen
Facets:
Source sentences:
text: Nineteenth century scientists believed that marsupials and eutherians had evolved from the same primitive ancestor and were looking for a living specimen that would serve as the missing link.
text: 19th century scientists believed that marsupials and eutherians had evolved from the same primitive ancestor and were looking for a living specimen that would act as the missing link.