Problem: Which genus contains more species, Pachystachys or Mazus?

A: Mazus

Problem: Which band was formed first, Nick Cave and the Bad Seeds or the Scanners?

A: Nick Cave and the Bad Seeds

Problem: Were the two documentaries, Iran and The Last Days of Left Eye, both made more than 10 years ago?

A: yes

Problem: Are both Karamay and Meihekou transportation hubs?

A:
no