Solve the Problem $\frac { 1 } { 840 }$ B) $\frac { 1 } { 35 }$

Solve the problem.
-Four married couples have reserved eight seats in a row at the theater. If they arrange themselves randomly, what is the probability that all the women will sit in adjacent seats and all the men will
Sit in adjacent seats?

A) $\frac { 1 } { 840 }$
B) $\frac { 1 } { 35 }$
C) $\frac { 1 } { 70 }$
D) $\frac { 2 } { 315 }$