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 thrombophilia study would be of interest to a woman with repeat abortions? 
 Options:  <1> Determination of fibrinogen. <2> C-reactive protein. <3> PAI-1. <4> Lupus anticoagulant. <5> Reptile time.
