Anchor: Here are young boys skating boarding in a service drive.
Entailed: Boys are practicing their skating skills.
Contradiction: Unmotivated young guys are lying around in chairs and staring at a TV.
Contradiction: People having lunch at an expensive restaurant
Contradiction: Three women are walking.
Contradiction: Soon there will be enough time and resources for man to make the first attempt at space travel. 
Contradiction: A man is dumpster diving and has pulled up part of an electrical conduit.