Anchor: Which is cause and which is effect here is an open question.
Entailed: There is no solid answer to which is cause or which is effect.
Contradiction: There is no need to ask which is the cause here.
Contradiction: The people are shooting each other with water guns.
Contradiction: FGD and SCR are wonderful for removing mercury. 
Contradiction: We don't need an established infrastructure 
Contradiction: A woman is wearing a jersey.