YOU SAID:

A net force of a person is a very sick son las dos

INTO JAPANESE

人の正味の力はとても病んでいる息子です

BACK INTO ENGLISH

The net power of man is his son, who is very sick.

INTO JAPANESE

人間の正味の力は息子で、息子はとても病気だ。

BACK INTO ENGLISH

The net power of man is his son, and his son is very sick.

INTO JAPANESE

人間の正味の力はその息子であり、その息子はとても病気である。

BACK INTO ENGLISH

The net power of man is his son, and his son is very sick.