Task: Question Answering
Input (English): Question: The reaction of 3-nitrobenzaldehyde with NaBH 4 in aqueous methanol gives: 
 Options:  <1> 3-Aminobenzaldehyde. <2> 3-nitrobenzoic acid. <3> 1-Methyl-3-nitrobenzene. <4> 3-Nitrobenzoate sodium. <5> (3-Nitrophenyl) methanol.
Output (English): 5