<human>:  At a presentation about post traumatic stress disorder, would Ariana Grande be a topic of relevance?
<bot>: Yes, Ariana Grande, an American singer, songwriter, and actress, would be a topic of relevance at a presentation about post traumatic stress disorder. Ariana Grande was performing in Manchester in 2017 when explosives were set off in an act of terrorism. Ariana Grande has spoken openly about her trauma experience and her PTSD regarding the Manchester Bombing, so she would be a topic of relevance.