O n e   d a y   i n   t h e   e a r l y   1 9 6 0 s   h i s   p h y s i c s   t e a c h e r ,   a n   A m e r i c a n ,   h a n d e d   h i m   a   p a r t i c u l a r l y   s h o d d y   m a r k .   O n e   d a y   i n   t h e   e a r l y   1 9 6 0 s   h i s   p h y s i c s   t e a c h e r ,   a n   A m e r i c a n ,   h a n d e d   h i m   a   p a r t i c u l a r l y   s h o d d y   m a r k .   A n   a c t   o f   v i n d i c t i v e n e s s   a s   w e l l   a s   s e l f - c o n f i d e n c e ,   i t   w a s   c h a r a c t e r i s t i c   o f   t h e   m a n   f o r   t h e   r e s t   o f   h i s   l i f e .   A n   a c t   o f   v i n d i c t i v e n e s s   a s   w e l l   a s   s e l f - c o n f i d e n c e ,   i t   w a s   c h a r a c t e r i s t i c   o f   t h e   m a n   f o r   t h e   r e s t   o f   h i s   l i f e .   L i s t e n   t o   t h i s   s t o r y .
They are talking about an act of terror.
( z0 talk :ARG0 ( z1 they ) :ARG1 ( z2 act :ARG1 ( z3 terror ) ) )
(z0 / talk-01
    :ARG0 (z1 / they)
    :ARG1 (z2 / act-02
              :ARG1 (z3 / terror-02)))
They are talking about an act of terror .
z0 :ARG0 z1
z0 :ARG1 z2
z2 :ARG1 z3