Problem: Continue the following story.

Mary is making a new gas mask for Samantha, because 
Here's how I want to continue it: Mary wants to surprise her with gas mask.

Problem: Continue the following story.

The device worked worse than the phone because the 
Here's how I want to continue it: device was out of its range.

Problem: Continue the following story.

Elena had a horrendous coughing fit from the pollen, unlike Tanya , since 
Here's how I want to continue it:
Tanya was immune to allergies.