Definition: 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'.
Input: Question: What root predominantly depends on the sensory innervation of the first toe? 
 Options:  <1> L3. <2> L4. <3> L5 <4> S1 <5> L2.
