A group works on a project involving a piano and has 53:11 remaining.
There is over an hour of time left
If they have 53:11 remaining then they have less than an hour of time left.
exists e3 e1 e2 s1 x1 x2 x3 x4 x5 x6.(Theme(e3,x6) & Actor(e3,x5) & v_have(e3) & n_remain(x6) & a_53:11(s1) & Theme(s1,x6) & n_group(x5) & on(e1,x2) & Theme(e2,x4) & Actor(e2,x3) & v_involve(e2) & n_piano(x4) & (x2 = x3) & n_project(x2) & Actor(e1,x1) & v_work(e1) & n_group(x1))
exists p1 x1 e1 x2 x3 x4.((x1 = x2) & r_over(x2) & of(x2,x3) & Theme(e1,x4) & v_leave(e1) & (x3 = x4) & n_time(x3) & n_hour(x2))