Anchor: One adult and three children paddle a canoe down a river lush with green vegetation.
Entailed: An adult and three children are going down a river in a canoe.
Contradiction: A family is going out to a restaurant for a good meal.
Contradiction: A woman eating dinner.
Contradiction: Jon was keeping his eye on his food.
Contradiction: A women doing jumping jacks
Contradiction: This is the most valid corroboration of your story so far.