$\text{Algorithm}3$

$\text{Input}:D_{test}^1,L_1,L_2$

$\text{Output}:L_2^{\tau }$

$\xi \leftarrow \text{using}\text{the}\text{Algorithm}\text{2}$

$q\leftarrow \text{using}\text{the}\text{Algorithm}1$

$a\leftarrow \varphi$

$\text{for}i=1\text{to}n\text{do}$

$D_{train}^i\leftarrow \text{add}{L}_2^i\text{to}{D}_{test}^1$

$D_{test}\leftarrow \text{selected}k\text{samples}\text{from}D-D_{test}^1$

$a_i\leftarrow \text{utilizing}\text{SVM}\text{got}\text{a}\text{accuracy}\text{from}{D}_{train}^i\cup D_{test}$

$a\leftarrow a\cup a_i$

$\text{end}\text{for}$

$\tau =\underset{1\le i\le n}{\arg \max }{a}_i$

$L_2^{\tau }\leftarrow \text{got}\text{the}\text{optional}\text{lable}\text{set}$