Select the decimal value of the following $2\text{'}$s complement binary fraction which has two binary places as shown :

$101\mathrm{.}10$

$-5\mathrm{.}50$

$2\mathrm{.}50$

$-2\mathrm{.}50$

$5\mathrm{.}50$

$-1\mathrm{.}50$