Detailed Instructions: In this task, you are given a multiple-choice question about healthcare. Answer the question based on your information and classify your answers into '1', '2', '3', and '4'.
Problem:Question: The heating of trans, cis, trans-2,4,6octatriene results in:
Options: <1> trans, trans, trans-2,4,6-Octatriene. <2> cis, cis, cis-2,4,6-Octatriene. <3> There is no reaction. <4> trans-5,6-Dimethyl-1,3-cyclohexadiene. <5> cis -5,6-Dimethyl-1,3-cyclohexadiene.
Solution:
5