Which sentence uses a colon correctly?
It can sometimes be difficult to tell lakes from rivers: both are generally made up of fresh water, and they often host the same species of fish.
It can sometimes be difficult to tell lakes from rivers, both are generally: made up of fresh water, and they often host the same species of fish.
It can sometimes be difficult: to tell lakes from rivers, both are generally made up of fresh water, and they often host the same species of fish.

Question

Which sentence uses a colon correctly?
 It can sometimes be difficult to tell lakes from rivers: both are generally made up of fresh water, and they often host the same species of fish.
 It can sometimes be difficult to tell lakes from rivers, both are generally: made up of fresh water, and they often host the same species of fish.
It can sometimes be difficult: to tell lakes from rivers, both are generally made up of fresh water, and they often host the same species of fish.

solomonzelman · Answer

Which one do you think it is ? And why ?

What can you exclude and why ?