Task: Paraphrasing
Input (English): Question: If the buoyant force is greater than the force of gravity acting on a ship, what will happen to the ship? 
Answer: it will float. 
Sentence: If the buoyant force is greater than the force of gravity acting on a ship, it will float.
Output (English): For a boat to float the bouyant force must be greater than the force of gravity acting on a ship.