The sky is blue
There is a blue sky today.
The sky being blue generally implies that it will be blue today.
exists s1 x1.(n_sky(x1) & Theme(s1,x1) & a_blue(s1))
exists p1 x1 s1 x2 x3.((x1 = x2) & Time(x2,x3) & n_today(x3) & n_sky(x2) & a_blue(s1) & Theme(s1,x2))