Answer: A weakness
Explanation: The marketing manager will report this as a weakness if the company does not have access to other experts in the unilever.
SWOT analysis is a technique under which the company is categorized as strength, weakness, opportunity or threat bases upon the current position and future prospect of the company.
In such analysis weakness refers to the poor internal characteristics of the company which can be changed as the management have a control over them.
So, from the above we can conclude that the right is weakness .