Which of the Processes A-D Will Lead to a Positive

Which of the processes A-D will lead to a positive change in the entropy of the system? If all of these processes lead to a positive change in the entropy of the system, select E.

A) Sodium chloride crystals form as saltwater evaporates.
B) Helium gas escapes from the hole in a balloon.
C) Stalactites form in a cave.
D) Water freezes in a freezer.
E) All of these lead to a positive change in entropy of the system, as they are all spontaneous.