Problem: Does "These surges may be caused by failure of the underlying bedrock, the pooling of meltwater at the base of the glacier perhaps delivered from a supraglacial lake or the simple accumulation of mass beyond a critical "tipping point"." answer the question "What is a glacial surge?"

A: no

Problem: Does "The Beijing Olympic Organizing Committee sent out a team of 30 unarmed attendants selected from the People's Armed Police to escort the flame throughout its journey." answer the question "When were the 30 team members sworn in?"

A: no

Problem: Does "These connections marked the beginning of the Silk Road trade network that extended to the Roman Empire, bringing Han items like silk to Rome and Roman goods such as glasswares to China." answer the question "What type of Roman item was traded on the Silk Road network?"

A:
yes