Problem: Does "The methods were often brutal: construction of the CongoOcean Railroad following World War I has been estimated to have cost at least 14,000 lives." answer the question "How many people are estimated to have died as a result of the creation of the Congo-Ocean Railroad?"

A: yes

Problem: Does "On this view, such rights do not facilitate emancipation of life, but rather deny it." answer the question "Why does Friedrinch Netzsche believe human rights exist?"

A: no

Problem: Does "It is used as a shielding gas in welding methods such as atomic hydrogen welding." answer the question "How is H2 used in electrical generators at power stations?"

A:
no