Anchor: More recently, several studies have found that the practice of examining the effects on a single day basis may significantly understate the risk of short-term exposures (Schwartz, 2000; Zanobetti et al, 2002).
Entailed: The practice of examining the effects during one day may understate the risk of exposure. 
Contradiction: The effects of one day of exposure was overestimated in the study.
Contradiction: The film makes no suggestions. 
Contradiction: A man is reading.
Contradiction: El-Kas is a painting of small square drinking fountain.
Contradiction: Two people are outside.