The word isthmus is the hardest word to pronounce in the English language. Now consider how someone might argue against this. Which sentence presents a counterclaim to the above claim?

Most people don't even know how many syllables are in Worcestershire, so they avoid the sauce completely.

People in landlocked areas don't usually get a lot of practice saying this since the term refers to a strip of land with seas on either side of it.

which is right?

The correct sentence that presents a counterclaim to the above claim is:

People in landlocked areas don't usually get a lot of practice saying this since the term refers to a strip of land with seas on either side of it.