Problem: What is the maiden name of Michelle Obama?
======
A: robinson

Problem: What musical instrument generally having 17-23 strings derives its name from Persian meaning 'three strings'?
======
A: sitar

Problem: Valletta is the capital of which European country?
======
A: malta

Problem: Which animal's head has been the trademark of Colman's Mustard for over 150 years?
======
A:
bull