Select from options: Continue writing the next sentence.

An introduction is shown for a video about how to clean running spikes. a guy

Choices:
(I) begins to show off a vacuum.;
(II) explains that he will clean the spikes while showing the dirt on the spikes.;
(III) in a clothes and shirt is shown wiping down a grey wall with a cloth.;
(IV) shows his bare back to the camera while crouching down.;
Answer:
(II)