They see everyone in the office gathered around the radio assuming they are listening to the parade , but find out that American Airlines Flight 1 had just crashed .
PRON VERB PRON ADP DET NOUN VERB ADP DET NOUN VERB PRON AUX VERB ADP DET NOUN , CCONJ VERB ADP SCONJ PROPN PROPN PROPN NUM AUX ADV VERB .