Problem: Does "According to eastern homeland theory, prior to becoming known to the Roman world, Slavic-speaking tribes were part of the many multi-ethnic confederacies of Eurasia such as the Sarmatian, Hun and Gothic empires." answer the question "Slavic-speaking tribes were part of what prior to becoming known to the Roman world?"

A: yes

Problem: Does "Remediation and testing are ongoing, however according to city officials, tests show that the water is safe to drink." answer the question "How long did IBM use liquid cleaning agents for circuit board manufacturing?"

A: no

Problem: Does "To secure commercial publication in 1896, Crane agreed to remove profanity, but he also made stylistic revisions." answer the question "What changes were made for the commercial publication of Maggie?"

A:
yes