A player removing a small amount of dew from just in front of their ball on the line of the putt results in the player incurring a penalty?

The correct answer is that a player removing a small amount of dew from just in front of their ball on the line of the putt does not result in a penalty. According to the Rules of Golf, players are allowed to take reasonable actions to maintain their playing conditions, which includes removing dew or loose impediments from the putting surface. This activity is part of normal course maintenance and is permitted as long as it does not interfere with the play of the game.

Accidental disturbances, such as removing dew or small debris, do not incur penalties unless they result in causing the ball to move. In this instance, simply clearing dew is considered a minor action that does not break any rules, hence the situation described does not lead to a penalty.