Because 157 she wished to destroy something, and could think of no other way. 
Because she wanted to destroy something, and only had that option.
Because she knew several ways she could have destroyed it.
Two girls play ping pong.
Five people walk on a bridge.
A man is diving off a cliff
If you write an article about a controversial issue, you will definitely look like a propaganda for Microsoft.
the man is training his cat to swat flies
A brown and white dog is sleeping.