The contract does not split hairs there.

This is the sentence in which the concept of "positive" is separated from that of "positive bankable" in an important and meaningful way.

If the report is positive under 5.5(b)(ii) but not under 5.5(b)(i), Teck Cominco may nevertheless elect, in its sole discretion, to deem the report to be a Positive Bankable Feasibility Study.