Problem: Phenazine is an organic compound with the formula (CH)N. It is a dibenzo annulated pyrazine, and the parent substance of many dyestuffs, such as the toluylene red, indulines, and safranines (and the closely related eurhodines). Phenazine crystallizes in yellow needles, which are only sparingly soluble in alcohol. Sulfuric acid dissolves it, forming a deep-red solution.

Based on the paragraph above can we conclude that "Eurhodines are related to safranines."?

A: Yes

Problem: Heineken Light (labelled as "Heineken 3" in Australia ) is a light beer brewed by Heineken for the United States market. It was introduced in 2005. Heineken light reportedly has: 99 calories per 12 oz. bottle and 6.8grams of carbohydrates. The beer has fewer calories, less carbohydrate, and less alcohol than lager beers such as the Heineken Pilsener. The beer has 3.3% alcohol by volume.

Based on the paragraph above can we conclude that "Heineken Light is the lightest bottle of beer."?

A: It's impossible to say

Problem: The Ptolemaic dynasty (Ancient Greek: , "Ptolemaioi"), sometimes also known as the Lagids or Lagidae (Ancient Greek: , "Lagidai", after Lagus, Ptolemy I's father), was a Macedonian Greek royal family, which ruled the Ptolemaic Kingdom in Egypt during the Hellenistic period. Their rule lasted for 275 years, from 305 to 30 BC. They were the last dynasty of ancient Egypt.

Based on the paragraph above can we conclude that "The Lagids dynasty lasted 275 years"?

A:
Yes