[Supperman]

Thank you very much, JohnBraden, for your prompt reply and corrections.

I got it.
I understand what were wrong. And I will remember the term "pier".
Thanks again.

a woman on her yellow top (wrong)
a woman in a yellow top (correct)

She is sitting toward the opposite direction. (wrong)
She is sitting, facing the opposite direction. (correct)

The platform is called "a pier", not "a seaport" or "a lake-port".