Anchor: Hire some passengers, hire a submarine that's the only difficulty, I guess.
Entailed: Get some passengers, buy a submarine, that's the only challenge, I think.
Contradiction: Find some passengers, get an airplane, it is the biggest challenge. 
Contradiction: A child in a blue jacket is looking at palm trees.
Contradiction: There is a man sitting
Contradiction: A man is clean wearing a suit.
Contradiction: Children and a man play video games