http://premon.fbk.eu/resource/vn32-see-30.1-1_frame_2 an entity of type: VerbNetFrame
8.1
NP V S_ING
NP-ING-OC
perceive(during(E), Experiencer, Stimulus) in_reaction_to(E, Stimulus)
Experiencer V Stimulus [+oc_ing]
0.2