How literal is this phrase?

Sample examples at http://tinyurl.com/is-it-lit

think tank:

Definitions:

  1. a company that does research for hire and issues reports on the implications

Examples:

  1. , design and environmental initiatives . The group is intended to act as a ‘ think tank ' and offer expertise to the development community and statutory regeneration agencies . General Comments
  2. includes sado-masochists , New Agers , anthropologists , schizophrenics , anti-authoritarians , Christian Fundamentalists , think tank social engineers , Fascists , proto-Cubists . . . Round up the unusual suspects .
  3. establishment , and its numerous interconnections with the Bush administration and with traditional liberal internationalist think tanks and foundations , such as the Council on Foreign Relations . Finally , I am
  4. but they are n't producing many new ideas There is an academic stigma attached to think tanks . Good work suffers from the think tank stigma , which then leads good people
  5. Untapped Resources , OUR Group , is a closed , active members only , deep think tank . It is OUR goal to make a difference in the lives of all we

Note: Please select the answers below carefully based on the definition which occurs frequently in the examples

Step 1: score of 0-5 for how literal is the use of "think" in the phrase "think tank"
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