Find out the correct use of action words based on the picture.

The correct answer is: The boy is swimming.

Let's look at the usage of action words in the options. 'The boy is swimming' tells us that the boy is swimming in a water body like it is shown in the picture. 'The boy is running' tells us that the boy is running somewhere, but clearly, that is not what is shown in the picture. Therefore, the answer is 'THE BOY IS SWIMMING'.