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: The precursor of all the pyrimidine nucleotides of the cell is: 
 Options:  <1> Uridine monophosphate (UMP). <2> Thymidine monophosphate (TMP). <3> Cytidine monophosphate (cmp). <4> Inosine monophosphate (IMP). <5> Guanidine monophosphate (GMP).
