Seven people are sitting at a picnic table with evergreen trees in the background .
There are no trees in the vicinity of the seven people .
Seven people are sitting at a picnic table with evergreen trees in the background.
There are no trees in the vicinity of the seven people.
The pieces of information that contradict each other are the mention in second sentence that there are no trees as against the first sentence stating evergreen trees in the background.
The pieces of information that contradict each other are the mention in second sentence that there are no trees as against the first sentence stating evergreen trees in the background .