Problem: Sentence: "Harry knew much less than Mark did."; Another sentence: "Of one thing Mark was sure. Harry knew much less than he did."?
A: yes

Problem: Sentence: "Carol believed that Rebecca regretted that Carol had stolen the watch."; Another sentence: "Carol believed that Rebecca regretted that she had stolen the watch."?
A: no

Problem: Sentence: "Luke was "it"."; Another sentence: "During a game of tag, Ethan chased Luke because he was "it"."?
A:
no