b$.$ The grain size distribution data for three soils $A,B,$ and $C$ are given in the table below. The liquid limit and plastie limit for soil $C$ are also given. Plot the grain size distribution curves and classify the three soils according to USCS, giving their descriptions and symbols.

$\backslash$table$[[$Grain size $(mm),\%$ Passing$],[$Soil A$,$Soil B$,$Soil C$],[9\mathrm{.}50,100,,],[4\mathrm{.}75,92\mathrm{.}5,100,],[2\mathrm{.}00,73\mathrm{.}4,92\mathrm{.}6,100],[0\mathrm{.}85,46\mathrm{.}7,28\mathrm{.}9,92\mathrm{.}3],[0\mathrm{.}60,33\mathrm{.}9,14\mathrm{.}5,83\mathrm{.}5],[0\mathrm{.}425,24\mathrm{.}8,7\mathrm{.}2,70\mathrm{.}5],[0\mathrm{.}25,14\mathrm{.}7,0,52\mathrm{.}7],[0\mathrm{.}106,4\mathrm{.}5,,42\mathrm{.}1],[0\mathrm{.}075,2\mathrm{.}3,,40\mathrm{.}1],[$Liquid limit$,,,65],[$Plastic limit$,,,26]]$