Read the text and determine if the sentence is true (see options at the end):

How to change a dip tube<br>Check when your water heater was manufactured. Nearly all gas and electric water heaters manufactured between 1993 and 1997 were installed with defective dip tubes. The dip tubes were made of a material that quickly degraded and disintegrated, causing dip tube failure.

Sentence: All dip tubes manufactured today have something defective in them.
Choose your answer from: [I] Yes; [II] It's impossible to say; [III] No;
[II]