Evaluation of the relationship between Condition and clause in The third verse of Sura Nesa

Condition and clause in The third verse of Sura Nesa Many discussions are taking place about condition and clause Which is available in the third verse of Sura Nesa. Sentence: "if you fear that orphans do not justice" and sentence: "the women who like marry", What communication with each other? There are six theories about it. These theories are as follows: 1.Marry other women in justice with orphan girl. 2.Marrying orphan girls cause justice to them. 3.Marriage is limited to justice orphans. 4.Do justice among women as orphans. 5.Virtue like justice orphans in necessary. 6.For justice orphans, marry their mother. And some commentators have also believes that if communication between the two is not. After investigation, it is obvious the sixth theory is better and superior. And the relationship between the two sentences in the third verse of Sura Nesa: "If you fear that orphans do not justice" and "So marry women who liked it" is that for justice orphans, marry their mother.