There is a train accident and the medical team is there to help with the victims while spectators look on.
The medical team is helping the victims.
sentence A is more detailed than sentence B  "The medical team is helping the victims. " is just rephrasing  " the medical team is there to help with the victims .."
exists p1 p2 s1 s2 s3 x1 x2 x5.(n_victim(x5) & n_team(x2) & a_medical(s2) & Theme(s2,x2) & a_medical(s1) & Theme(s1,x2) & Topic(s3,p2) & exists e1 p3.(exists e2 p4 x6.(exists s4.(Theme(s4,x6) & a_on(s4)) & Topic(e2,p4) & Actor(e2,x6) & v_look(e2) & n_spectator(x6)) & while(e1,p3) & with(e1,x5) & Actor(e1,x2) & v_help(e1)) & Theme(s3,x2) & a_there(s3) & exists x3 x4.((x1 = x3) & n_accident(x3) & of(x3,x4) & n_train(x4)))
exists e1 s1 x1 x2.(n_victim(x2) & n_team(x1) & a_medical(s1) & Theme(s1,x1) & Theme(e1,x2) & Actor(e1,x1) & v_help(e1))