The journey is temporarily delayed by mechanical malfunctions.
The bus has caught a flat tire.
Just because the journey is temporarily delayed by mechanical malfunctions does not imply there is a flat tire.
exists e1 s1 s2 x1 x2.(n_journey(x1) & a_temporarily(s2) & Manner(e1,s2) & Actor(e1,x2) & n_malfunction(x2) & a_mechanical(s1) & Theme(s1,x2) & Theme(e1,x1) & v_delay(e1))
exists e1 s1 x1 x2.(n_bus(x1) & Theme(e1,x2) & Actor(e1,x1) & v_catch(e1) & n_tire(x2) & a_flat(s1) & Theme(s1,x2))