two surfers are riding waves in open water.
Two surfers are taking a much needed vacation.
Sentence 1 is missing much needed vacation
exists e1 s1 x1 x2 x3.(in(e1,x3) & n_water(x3) & a_open(s1) & Theme(s1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_ride(e1) & n_wave(x2) & n_surfer(x1) & card_eq_2(x1))
exists e1 e2 x1 x2 x3 x4.(Theme(e2,x2) & Actor(e2,x1) & v_take(e2) & Time(e1,x4) & n_vacation(x4) & Theme(e1,x3) & v_need(e1) & (x2 = x3) & n_amount(x2) & n_surfer(x1) & card_eq_2(x1))