A major restaurant chain wishes to understand consumer sentiment about its brand, so it analyzes social media comments, receipt survey data, call center conversation summaries from its CRM system, and even reviews from websites like Urban Spoon. This illustrates which dimension of Big Data?

Variety

Explanation:

Variety is a specific form of a language or language cluster. This may include languages, dialects, registers, styles, or other forms of language, as well as a standard variety.

in this scenario it would be the consumer demand as most influential in making the decision. the band members need to figure out where and from whom they will make the most money, in other words who out of the two consumer groups - football fans or car drivers - will spend their money, who is more likely to contribute to their cause and buy what they are offering.