Concepts: engine, town, track
A: A black train engine on a track in a town.
Concepts: launch, moon, spacecraft
A: organisation to launch the first private spacecraft on moon
Concepts: continue, stadium, work
A: work continues on the new stadium which is due to be completed
Concepts: announce, bid, politician, speech
A:
politician delivers a speech to announce his bid to become the presidential candidate in the presidential elections .