but section 284 in its application to the detention of a vessel under this section , shall have effect with the omission of subsections ( 1 ) , ( 6 ) , and ( 7 ) and in ( a ) subsection ( 2 ) , the reference to competent authority being a reference to the harbor authority ; and ( b ) in subsection ( 4 ) , persons in relation to whom that subsection applies we still need to show that the slick came from that particular vessel that theyre polluting the bay it comes down again to the fact we have no proof jade always found she could think better when surrounded by her favorite sliding sandscape .