Problem: Does "In 2007 the animated series debuted on American cable television on the Spike TV channel (Denison, 2010)." answer the question "On what channel did Afro Samurai air?"

A: yes

Problem: Does "If the compensation system uses chains, the chain is guided by a bar mounted between the counterweight railway lines." answer the question "What is the chain guided by in a compensation system that uses chains?"

A: yes

Problem: Does ", several manufacturers offer external portable USB hard disk drives, or empty enclosures for disk drives." answer the question "Several manufacturers offer what?"

A:
yes