the man can be heard asking. That's when another man chimes in. The man knows what hes doing. I won't interrupt'Still, he doesn't immediately leave, but simply leans back in his chair. She appears confused at the interaction, but when the man apparently gestures to the empty chair at her table, she offers a hesitant smile.
People don’t always know what is going on.
( z0 know :ARG0 ( z1 person ) :ARG1 ( z2 thing :ARG1-of ( z3 go-on ) ) :polarity - :time ( z4 always ) )
(z0 / know-01
    :ARG0 (z1 / person)
    :ARG1 (z2 / thing
              :ARG1-of (z3 / go-on-15))
    :polarity -
    :time (z4 / always))
People don’t always know what is going on .
z0 :time z4
z0 :polarity 0
z0 :ARG0 z1
z0 :ARG1 z2
z2 :ARG1-of z3