Concepts: await, passenger, track, train
A: Two trains are on the tracks awaiting passengers for their next trip.
Concepts: century, city, monument
A: monument to a century of flight in a city .
Concepts: collection, galaxy, star
A: a huge collection of stars is collectively known as a galaxy .
Concepts: fight, match, win
A:
They fought hard, but only one could win the four way wrestling match.