A woman in a gray jacket is riding her bike and looking at her mobile device.
The woman is multitasking.
Riding and looking are two tasks, so the sentence can be listed as multitasking instead of stating all that she's doing.
exists e1 e2 s1 s2 s3 x1 x2 x3 x4 x5 x6.(at(e2,x6) & n_device(x6) & a_mobile(s3) & Theme(s3,x6) & of(x6,x1) & n_female(x1) & n_female(x1) & Actor(e2,x4) & v_look(e2) & in(x4,x5) & n_jacket(x5) & a_gray(s2) & Theme(s2,x5) & n_woman(x4) & Theme(e1,x3) & Actor(e1,x1) & v_ride(e1) & n_bike(x3) & of(x3,x1) & in(x1,x2) & n_jacket(x2) & a_gray(s1) & Theme(s1,x2) & n_woman(x1))
exists e1 x1.(n_woman(x1) & Actor(e1,x1) & v_multitask(e1))