Collecting, analyzing and evaluating accurate/appropriate marketing related information is the task of:

A.  It is part of market information system

I agree with colleagues who's answer is A

A marketing information system (MkIS) is a management information system (MIS) designed to support marketing decision making. Jobber (2007) defines it as a "system in which marketing data is formally gathered, stored, analysed and distributed to managers in accordance with their informational needs on a regular basis." In addition, the online business dictionary defines Marketing Information System (MkIS) as “a system that analyzes and assesses marketing information, gathered continuously from sources inside and outside an organization.

A - Marketing information system.

A - Marketing information system-------------------------------