Man in business attire speaks into a microphone.
A man is speaking publicly.
Most of the time when people are speaking publicly they use microphone so everyone can hear clearly.
exists e1 x1 x2 x3 x4.(into(e1,x4) & n_microphone(x4) & Actor(e1,x1) & v_speak(e1) & in(x1,x2) & n_attire(x2) & of(x2,x3) & n_business(x3) & n_man(x1))
exists e1 s1 x1.(a_publicly(s1) & Manner(e1,s1) & Actor(e1,x1) & v_speak(e1) & n_man(x1))