An idiom/phrase is given in bold. Following this idiom/phrase are given three sentences, which use the given idiom/phrase. The idiom/phrase may or may not be used correctly in one or more sentences. Identify the sentence(s) that use(s) the idioms/phrases incorrectly either in grammar or context and mark the answer accordingly. Give someone the cold shoulder
I. Despite being best friends once, she gave him the cold shoulder throughout the conference.
II. When asked about the delay in salary payments, the manager gave a cold shoulder to the HR head.
III. Instead of confronting him, she gave the cold shoulder and walked away silently. Which sentence(s) use(s) the idiom incorrectly?