text: Secondly they being to talk about facial expression. In paragraph 4 Dr. Huang talks about how facial expressions are universal. facial expressions are truly universal it is key on figuring out how others around you could be feeling. In paragraph 5 they talk about how humans come with an impressive calculation to what people may be feeling such as friend and how we can tell the difference between each emotion. Humans come with bein able to understand human emotions through expressions but not always seeing as people can mask true emotions for instance at one point he beings to talk about different smile and which is real and which is fake.