Context: This was not the message of the march . This was , evidently , the message of these other groups . But no one was acting poorly during the march we were part of .
Question: What must have happened to the march that we had to restate our position ?
Option 0: Some groups must have joined the march to confirm the messages .
Option 1: Some groups must have joined the march in solidarity to the messages .
Option 2: Some groups must have joined the march with different messages .
Option 3: Some groups must have joined the march to enforce the messages .
Answer: 2