Which of the options correctly explains the noun phrase extracted from the text?

"...top and bottom companies in collaboration-intensive sectors..." (lines 34-35) – companies that collaborate more or less for the economy.

"...prized and growing corps of workers." (lines 39-40)– a burgeoning group of invaluable employees.

"...less–than-perfectly-understood interactions..." (lines 47-48) –interrelationships that are totally incomprehensible to the public at large.

"...largely unchartered territory." (lines 55-56) – an area that has been misrepresented.

"...improved partner and customer intimacy..." (line 102)– enhanced the familiarity of competitors with our customers' needs.