Problem: Carex tricephala is a species in the genus "Carex", family Cyperaceae. It is one of only about seven species in "Carex" sect. "Scabrellae". Members of this section have leaf-like bracts, and small spicate inflorescences. "Carex tricephala" is native to Southeast Asia, reported from Cambodia, Indonesia, Laos, Myanmar, Thailand, Vietnam and the Chinese province of Yunnan.

Based on the paragraph above can we conclude that "Carex tricephala has never been reported from Cambodia. "?

A: No


Problem: How to improve your intelligence<br>Try new things. Novelty stimulates the brain, so being open to new experiences is important to boosting your intelligence. New experiences tend to increase neural activity in the brain, which can help improve intelligence over time.

Based on the paragraph above can we conclude that "Being open to new experiences is likely to make you more stupid"?

A: No


Problem: If Prillie would spend less time making eyes at the boys over her slate she might do better .<br>I feel quite sure that Jack Gillis works her class sums for her , though I 've never been able to catch him red-handed . ''<br>`` Have you succeeded in reconciling Mrs. DonNELL 's hopeful son to his saintly name ? ''

Based on the paragraph above can we conclude that "Jack Gillis is suspected of doing work for Prillie."?

A: