Which is the best alternative considering some of the statements are true (T) and ot...

Which is the best alternative considering some of the statements are true (T) and others are false (F) ?
I– Modern building façades might be dangerous.
II– The sensors show when the glass is breaking or falling.
III– A glass fissure is not easily seen in the beginning.
IV– The sensors can help control the building temperature.
V– A change in the signal indicates that the pane is not defective.
VI– Changes in temperature do not have any influence on the size of glass fissures.

The best alternative is