A person is running across a desert.
The person is outside in the heat.
Running across a desert necessitates being outside, deserts are hot during the day, so he would be in the heat.
exists e1 x1 x2.(across(e1,x2) & n_desert(x2) & Actor(e1,x1) & v_run(e1) & n_person(x1))
exists s1 x1 x2.(n_heat(x2) & n_person(x1) & in(s1,x2) & Theme(s1,x1) & a_outside(s1))