A group of African Americans sitting at the base of a large tree.
The African Americans are studying together outside.
Just because a group of African Americans sitting at the base of a large tree does not mean that they are studying together outside.
exists e1 s1 s2 x1 x2 x3 x4 x5.(n_base(x4) & ne_nam_americans(x2) & a_african(s1) & Theme(s1,x2) & a_topic(x1) & at(e1,x4) & of(x4,x5) & n_tree(x5) & a_large(s2) & Theme(s2,x5) & Actor(e1,x3) & v_sit(e1) & (x1 = x3) & of(x1,x2) & n_group(x1))
exists e1 s1 s2 s3 x1.(ne_nam_americans(x1) & a_african(s1) & Theme(s1,x1) & a_outside(s3) & Manner(e1,s3) & a_together(s2) & Manner(e1,s2) & Actor(e1,x1) & v_study(e1))