Read the following passage and identify the type of sentence structure error it contains. Mr Grink - who was walking along the boulevard dressed in an impeccable tuxedo - was blissfully unaware of the black clouds of discontent that were gathering menacingly behind him. -

Practice this Upwork Skill Test. Freelancers take skill tests on Upwork to show their skills to potential clients and to make themselves more marketable. Upwork suggests you take as many tests as you want -  your skills are shown on your Upwork profile page.