Anchor: As stated in preamble to the 1997 PM National Ambient Air Quality Standards (40 CFR 50, 1997), the consistency of the results of the epidemiological studies from a large number of different locations and the coherent nature of the observed effects are suggestive of a likely causal role of ambient PM in contributing to the reported effects, which include premature mortality.
Entailed: Ambient PM may have contributed to premature mortality.
Contradiction: Ambient PM was not found to be a contributing factor.
Contradiction: When they reach the support shaft, fix the barrel.
Contradiction: Pricing based on average costs can be taken advantage of.
Contradiction: Two boys play on a modern playset.
Contradiction: One can use a 4-wheel-drive vehicle to navigate the island, or go by foot.