a person appears to walk toward an object, knock or tap with left hand, and walk away again.#a/DET person/NOUN appear/VERB to/PART walk/VERB toward/ADP an/DET object/NOUN knock/VERB or/CCONJ tap/VERB with/ADP left/ADJ hand/NOUN and/CCONJ walk/VERB away/ADV again/ADV#0.0#0.0
a man walks forward and knocks with his left hand, then turns around and walks in the opposite direction.#a/DET man/NOUN walk/VERB forward/ADV and/CCONJ knock/VERB with/ADP his/DET left/ADJ hand/NOUN then/ADV turn/VERB around/ADV and/CCONJ walk/VERB in/ADP the/DET opposite/ADJ direction/NOUN#0.0#0.0
a person walks foward towards a door, knocks, waits for less than two seconds, and then turns and walks away#a/DET person/NOUN walk/VERB foward/ADJ towards/ADP a/DET door/NOUN knock/NOUN wait/VERB for/ADP less/ADJ than/SCONJ two/NUM second/NOUN and/CCONJ then/ADV turn/VERB and/CCONJ walk/VERB away/ADV#0.0#8.0