Scientists say that no matter how deep a sophisticated person is, his inner secrets will also be leaked by his eyes. Based on this, Israelis have successfully developed foods that use their eyes to lie, which is said to be more intelligent and accurate than traditional polygraphs. Anthropologists and sociologists should be inspired by this to include the human eye in research and find some important information from it. What's the central meaning of this passage? ["Eyes can reveal people's inner secrets, so you can use your eyes to detect lies.", 'Human eyes contain a wealth of information and should be the research object of scientists.', 'Anthropologists and sociologists have included the human eye.', 'Israelis invented food using sugarcane to inspire scientists.']