In this task, you're given a sentence and your task is to generate a simplified sentence that focuses on lexical paraphrasing from the original sentence given in the input.
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Question: they are rivaled as biological materials in toughness only by chitin.

Answer: only chitin rivals them as biological materials.


Question: in smithson 's will , he stated that should his nephew , henry james hungerford , die without heirs , the smithson estate would go to the government of the united states for creating an " establishment for the increase & diffusion of knowledge among men ".

Answer: in smithson 's will , he stated that should his nephew , henry james hungerford , die without heirs , the smithson estate would go to the government of the united states for creating an " establishment for the increase & distribution of knowledge among men ".


Question: bisexual pornography differs from threesome pornography , which typically depicts one man and two women.

Answer:
bisexual pornography is different from threesome pornography which usually shows one man with two women.