Surfer is riding the crest of a nice wave.
The surfer is in his 50s and is having a mid-life crisis.
There is not an indication of the surfer's gender, age (50s), or mental status (mid-life crisis).
exists e1 s1 x1 x2 x3.(n_crest(x2) & ne_nam_surfer(x1) & Theme(e1,x2) & Actor(e1,x1) & v_ride(e1) & of(x2,x3) & n_wave(x3) & a_nice(s1) & Theme(s1,x3))
exists e1 p1 s1 x1 x2 x3.(n_surfer(x1) & n_50s(x3) & of(x3,x1) & n_male(x1) & Theme(e1,x2) & Actor(e1,x1) & v_have(e1) & n_crisis(x2) & a_mid-life(s1) & Theme(s1,x2) & in(x1,x3))