There might be times where an unexpected visitor comes 

 to earthWould you know what to do if not listen to these instructions to stay safe

 First check if its a real alien  This is how alians looks like .

.Lime colour skin

.Big black eyes 

.3 fingers on each hand

Then ,If the alien comes closer to you watch for signs that it could eat you or hurt you

After that never ever look straight into their eyes and no sudden  movement.

You could  provide it a gift or build a replica of its home.

There might be times where an unexpected visitor comes 

 to earthWould you know what to do if not listen to these instructions to stay safe

 First check if its a real alien  This is how alians looks like .

.Lime colour skin

.Big black eyes 

.3 fingers on each hand

Then ,If the alien comes closer to you watch for signs that it could eat you or hurt you

After that never ever look straight into their eyes and no sudden  movement.

You could  provide it a gift or build a replica of its home.