The karate class is performing outside.
The karate class practices outside in the summer.
Just because the karate class is performing outside does not mean it is the summer.
exists e1 s1 s2 x1.(n_class(x1) & a_karate(s1) & Theme(s1,x1) & a_outside(s2) & Manner(e1,s2) & Actor(e1,x1) & v_perform(e1))
exists s1 x1 x2 x3 x4.(n_summer(x4) & n_practice(x1) & of(x1,x2) & n_class(x2) & a_karate(s1) & Theme(s1,x1) & a_topic(x1) & in(x3,x4) & outside(x1,x3) & n_thing(x3))