Anchor: Thus, it should not be surprising that demand for initial fill and periodic replacement catalyst should account for a significant portion of the supply basis.
Entailed: A lot of the supply base consists of demand for initial fill and occasional catalyst replacement. 
Contradiction: The supply is more so based on future needs. 
Contradiction: A women chasing children.
Contradiction: Slate is looking for software developers. 
Contradiction: A cat is drinking from the sink.
Contradiction: Someone wears a helmet while they work.