What's 2 + 2? Different professionals might respond as follows:
Engineer: The answer lies between 3.98 and 4.02
Estate agent: I will sort that out once you agree to pay me 1% of the answer.
Mathematician: In 3 hours I can demonstrate my proof that will reveal the answer everyone has been searching for.
Logician: This problem is solvable.
Dentist: If you don't brush them properly there will only be 3.
Social worker: I don't know the answer but I'm glad we discussed the question.
Lawyer: In the case of Nerd vs HMRC, 2+2 was held to be 4
Politician: That's not the real question.
Market trader: Are you buying or selling?
Accountants: What do you want it to be?