Using string class methods $($substring$)$

Given the following declaration: String s $=$ "Apples and bananas are yummy.";

Evaluate the expression: s$.$substring$(1,3)$

$1)$ "ple"

$2)"$pl$"$

$3)"$p$"$

$4)$ "pple"

$5)"$ppl$"$

$6)"$pp$"$

$7)$ "Apple"

$8)$ "Appl"

$9)$ "App"

$10)$ none of these

Your answer should be the number $(1-10)$ next to the correct value.