Select the most appropriate option that can substitute the underlined segment in the given sentence. If there is no need to substitute it, select 'No substitution required'. This exercise are quite easier to do.

Identify which part of the following sentence contains a grammatical error. If the sentence is error-free, select 'No error'. 'She, You (A) / and I will (B) / be traveling (C) / by my car. (D) / No Error (E)'

The following sentence has been split into four segments. Identify the segment that contains a grammatical error. Of the two politicians, Trump and Obama, / the later / is more impressive / as an orator.