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San E, who is usually full of smiles and an upbeat personality, provided some strong words for the contestants of 'The Unit'. The rapper became very serious when he viewed several people rapping for their second chance in the rebooting program. 

After seeing these performances, some of the things he said are, "I'm sorry but that was just too loud. It just sounded like you were shouting the whole time", "Are you aware that you're really bad at rapping? I don't know what you're saying at all and there's no vibe. You're really bad, I'm sorry that was the worst", and much more.

In one scene, he is seen saying, "Do you listen to a lot of rap music, both modern Korean and American?" When he asked, the contestant joked around which caused Rain to chime in a serious tone, "Do you think you're doing well? I see no sincerity from you. We've seen many contestants so far but never saw someone who jokes around much as you." 

Check out the clip below.