What is the benefit of ships if there is no bridge available?
Options:
- collide
- carry people
- cross river
- sailors
- bottom out Hmmm, let me think.

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
Ship can cross river easily if there is no bridge. Ships cant cross river and need to take long route if there is bridge in between.
So, the answer is cross river.