Anchor: A man wearing a mustang shirt is getting ready to throw a knife at a competition.
Entailed: A man wearing a mustang shirt getting read to throw in a knife competition practicing his throws.
Contradiction: A man wearing a stripped shirt sharpening his knives in his kitchen.
Contradiction: Doctors are performing surgery.
Contradiction: It's great, I love it! 
Contradiction: A  duck takes flight.
Contradiction: Two people are surrounded by others.