3.
$\text{2.}$ London is as sunny as Edinburgh.
$\text{3.}$ London isn't as cloudy as Edinburgh.
$\text{4.}$ London is as bright as Edinburgh.
$\text{5.}$ London is not as wet as Edinburgh.
$\text{6.}$ Edinburgh is not as windy as London.
$\text{7.}$ Edinburgh isn't as dry as London.