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: these doppelgängers are typically , but not always , evil in some way.

A: these doppelgängers are generally , but not always , evil in some w.
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Q: one title -lrb- " flying " -rrb- is a 1967 composition credited to all four members of the beatles -lrb- lennon-mccartney-harrison-starr -rrb-.

A: one title , " flying " , is a 1967 song credited to all four beatles members , lennon , mccartney , harrison , and starr.
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Q: they are a type of reporter gene used in laboratory microbiology , molecular biology , and genetic engineering to indicate the success of a transfection or other procedure meant to introduce foreign dna into a cell.

A:
there is a kind of gene used in biology and genetic engineering to show the success of injection of foreign dna into a cell.
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