Out of the given reagents, find the ones to be used to convert benzene to p-aminophenol
Steps:


Use $\ce{Br2/FeBr3}$ to make bromobenzene.
Nitrate with $\ce{HNO3/H2SO4}$ to make 4-bromo-nitrobenzene.
Treat with $\ce{NaOH}$ to displace the $\ce{Br}$ making 4-nitrophenol.
Reduce with $\ce{Sn/HCl}$ to make the required p-aminophenol.