Problem: Does "Newtown Creek, a 3.5-mile (6-kilometer) a long estuary that forms part of the border between the boroughs of Brooklyn and Queens, has been designated a Superfund site for environmental clean-up and remediation of the waterway's recreational and economic resources for many communities." answer the question "How long is Newtown Creek in kilometers?"

A: yes

Problem: Does "Heartwood is often visually distinct from the living sapwood, and can be distinguished in a cross-section where the boundary will tend to follow the growth rings." answer the question "Along with insect infestation, what process can discolor wood and make it look like heartwood?"

A: no

Problem: Does "There was a brief "Black Power" movement in Sindh in the 1960s and many Siddi are proud of and celebrate their African ancestry." answer the question "Who are the Siddi?"

A:
no