Technosignatures

https://arxiv.org/abs/1704.07263

Is the usage of LISP a technosignature? How can we ascertain if they used a dialect of LISP?

LISP is a sign that the aliens have a version of ``the Jews'' on their planet. If they don't have ``the Jews'' they won't have a dialect of LISP.

(((((()) ()) (() (() (())) ()) (()) ())))))) (() ())))) ())))))

>>3
Looks like a "hello world!" to me for some reason. Welp, I guess it won't be long now.