Select the pair that follows the same pattern as that followed by the two pairs given below. Both pairs follow the same pattern.

TRC - USD

WXV - XYW

The logic followed here is:

Given:

TRC - USD

And,

WXV - XYW

So, checking each option one by one:

Option 1) DFG - EGH

Option 2) MXO - NYQ

Option 3) LON - NPM

Option 4) SDF - TEH

Thus, out of all the options, 'DFG - EGH' follows the same logic as given.

Hence, "Option 1" is the correct answer.