I know the correct answer is E, but how do you know that the double bonds are trans to each other (E configured as opposed to Z configured)? I don't know how to identify this. Can someone please draw this out so that I can visualize it? Thanks.

2. What is an IUPAC name for this triene? A) (2E,4Z,6E)3,4,7,8-tetramethyl-2,4,6-Nonatriene B) (2Z,4E,6E)-3,4,7,8-tetramethyl-2,4,6-Nonatriene C) (2E,4Z,6E)-2,3,6,7-tetramethyl-3,5,7-Nonatriene D) (2E,4Z,6E)-2,3,6,7-tetramethyl-3,5,7-Nonatriene E) (2E,4E,6E)3,4,7,8-tetramethyl-2,4,6-Nonatriene