Question

this is a pen. you gave me this ( use which )​

Answer 1

Explanation:

$\huge \boxed{\underbrace{\mathfrak {\underline  {\fcolorbox {black}{pink}{Answer}}}}}$

${\blue { This\: is\: a \:pen \:which \:you \:gave\: me.   } }$

Answer 2

$\huge{\underline{\underbrace{\mathcal\color{gold}{Answer}}}}$

Explanation:

$\textsf{This is a pen ,which you gave me.}$