I would like to suggest you : http://papers.nips.cc/paper/5346-sequence-to-sequence-learning-with-neural-networks.pdf

https://arxiv.org/ftp/arxiv/papers/1809/1809.04179.pdf

https://arxiv.org/pdf/1412.4564)

Dear Keyvan,

I suggest you to see links and attached files on topic.

http://www.jsoftcivil.com/article_51114.html

https://www.computer.org/csdl/journal/lt/2012/03/tlt2012030226/13rRUxNW21G

http://oa.upm.es/45030/1/INVE_MEM_2017_242848.pdf

Best regards

Hi Keyvan

You can convert the linguistic inputs into numerical inputs.

And then use the numerical inputs to train the ANN and ANFIS.

Finally convert the numerical outputs into linguistic inputs if necessary.