The subtitle produced from climbing is the same as walking

The Bug:

The subtitle produced from climbing is the same as walking.

Steps to Reproduce:

1. Build the setup as shown in the attachment below. setup.png
2. Ensure that you have subtitles enabled in your accessibility settings.
3. Climb the ladders and look at the subtitles overlay as you do this.
4. Take note as to whether or not the subtitle produced from climbing is the same as walking.

Observed Behavior:

The subtitle produced from climbing is the same as walking.

Expected Behavior:

The subtitle produced from climbing would not be the same as walking. Instead, it should be displayed as something like "Climbing", to accurately reflect the sounds being produced.