instruction:
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.
question:
a bastion on the eastern approaches was built later.
answer:
a bastion on the eastern approaches were built later.

question:
fire salamanders can have a very long lifespan.
answer:
fire salamanders can have a very long life.

question:
a first language -lrb- also mother tongue , native language , arterial language , or l1 -rrb- is the language a human being learns from birth.
answer:
a first language is the language a human being learns from bitrh ; also termed as a mother tongue , native language , arterial language , or l1.