In this task, you're given two sentences. Indicate if the first sentence clearly entails the second sentence (i.e., one can conclude the 2nd sentence by reading the 1st one). Indicate your answer with '1' if the first sentence entails the second sentence, otherwise answer with '0'.
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Question: Sentence 1: Thanks to a global ban on the ivory trade that was passed in 1989 by the Convention on International Trade in Endangered Species of Wild Fauna and Flora (CITES), the African elephant population may be reversing its spiral toward extinction Sentence 2: The ban on ivory trade has been effective in protecting the elephant from extinction.

Answer: 1

Question: Sentence 1: Frye says, that he (a homeopathy expert) and Iris Bell recently studied homeopathic treatment of fibromyalgia. A new analysis - comparing published studies of homeopathic drugs to matched, randomly selected studies of medical drugs - suggests that these apparent homeopathic drug effects are merely placebo effects. Sentence 2: What really irks Frye and other doctors of homeopathy, however, is that homeopathic remedies are not supposed to be used like medical drugs.

Answer: 0

Question: Sentence 1: Last month, Menu Foods recalled all of its 60 million products of dry and wet dog and cat food after pets began to fall ill and in some cases died of kidney failure. "Natural Balance, Pacoima, CA, is issuing a voluntary nationwide recall for all of its Venison dog products and the dry Venison cat food only, regardless of date codes. The recalled products include Venison and Brown Rice canned and bagged dog foods, Venison and Brown Rice dog treats, and Venison and Green Pea dry cat food. Recent laboratory results show that the products contain melamine. We believe the source of the melamine is a rice protein concentrate. Natural Balance has confirmed this morning that some production batches of these products may contain melamine," said a press released issued by Natural Balance. Sentence 2: Natural Balance produces pet food.

Answer:
1