Jon Senior's Funky Thinkers

Which of these ladies is through to the SEMI-FINAL of FunkQuest season 4?Question 1Randi chose the 'Trees'How good are you at working in a team?Katie chose the 'Buns'When is it OK to finish early?Question 2Randi picked the 'Rolling Waves'What is the most expensive thing you bought 'THAT DIDN'T WORK'?Katie chose the 'Peacock'What does the surface of Mars smell like?Question 3The 'VW Campervan' was the next choice for RandiWhen did style just have to go out of the window?Katie plumped for the 'Pineapples'What makes you feel awkward?Question 4Randi picked the 'Carousel'When did you have to accept a decision?Katie liked the 'Techno picture'When was the last time you said something you regretted?Question 5Randi went for the 'Boatplane'When was the last time you went on a boat