 
 <prompt> Wetin be di frequency of ocean waves wey get speed of 18 m/s and wavelength of 50 m?
Options:
I. 0.18 Hz;
II. 0.36 Hz;
III. 2.8 Hz;
IV. 9.0 Hz; <response>: ```II.```
Translate the text above to Nigerian pidgin. If there is programming code in it, leave as is. Do not add any extra statement in your response: 