Problem: Continue the following story.

Maria asked Christine where she had bought her new computer, but 
Here's how I want to continue it: Christine did not know.

Problem: Continue the following story.

The child was not happy with the shoe that slipped off his leg when he was running. The 
Here's how I want to continue it: shoe is big.

Problem: Continue the following story.

The hamster left the food unfinished  but finished drinking the water. It is probably because the 
Here's how I want to continue it:
water is too little.