Concepts: head, player, winner
A: football player heads his injury time winner during the match played at the stadium .
Concepts: demonstrator, protest, slogan
A: demonstrators shouted slogans against politician as protests swept
Concepts: demo, introduction, screen
A: An introduction for a vacuum demo is shown on the screen.
Concepts: cheese, grate, pizza
A:
Cheese is being grated on top of a pizza.