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.

Q: it is one of the nine species of leaf-eating kangaroos identified in fossils found in the naracoorte caves national park.

A: this is one of nine types of leaf eating kangaroos found in the naracoorte cave national park fossils.
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Q: the river originates from lulusar lake , nearly 48km from naran valley.

A: the river originates from lulusar lake , nearly 48 km from naran valley.
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Q: clinical trials with als patients showed that riluzole lengthens survival by several months , and may have a greater survival benefit for those with a bulbar onset.

A:
riluzole prolongs survival by several months and could benefit those with bulbar onset and this was observed during clinical trials with als patien.
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