Which one of the following cultural norms could make it hard for Native Americans and…

Which one of the following cultural norms could make it hard for Native Americans and European Americans to carry on a conversation?
European Americans feel that eye contact is rude, while Native Americans use eye contact to detect lies.
Native Americans usually make eye contact briefly, while European Americans make eye contact only when they are speaking.
In Native American cultures, eye contact is generally considered rude, while in European American culture, eye contact is expected.
European Americans consider eye contact disrespectful when speaking, while Native Americans expect prolonged eye contact when speaking but not when listening.