I believe the answer to this question would be either a metaphor, idiom, or alliteration. But this would most likely be idiom because people can interpret different meanings of this phrase negative or positive and can take it personally or extensively.
He couldn’t believe his dream had finally come true. “MUM, DAD!” he called out, but nothing. The young boy ran downstairs, noticing that everything had looked like a lovely expensive palace “wow” he said in shock, he ran to the enormous kings chair in the living room proudly and started asking for a maid as a joke, but to his surprise “mum, is that you?”…
According to researchers...
because that means scientists have researched it
