Choose the correct options

1. If a person falls from a platform, they should go up with the help of
   [themselves|station workers|MChS workers].
2. While the train is approaching, you need to
   [give signals|hide|run to the staff stairs].
3. If the train is too near, you need to
   [lie on your belly|lie on your back|stand close to the platform].
4. While you are lying, your head should be turned
   [similar|opposite|right|left]
   to the train's direction.