During the course of the morning, there were multiple erroneous reports of hijacked aircraft.
( ( During ( ( the course ) ( of ( the morning ) ) ) ) ( , ( there ( ( were ( ( multiple ( erroneous reports ) ) ( of ( hijacked aircraft ) ) ) ) . ) ) ) )
(ROOT (S (PP (IN During) (NP (NP (DT the) (NN course)) (PP (IN of) (NP (DT the) (NN morning))))) (, ,) (NP (EX there)) (VP (VBD were) (NP (NP (JJ multiple) (JJ erroneous) (NNS reports)) (PP (IN of) (NP (JJ hijacked) (NN aircraft))))) (. .)))
There were many reports that morning with incorrect information about the hijacking.  
( There ( ( ( ( were ( many reports ) ) ( that morning ) ) ( with ( ( incorrect information ) ( about ( the hijacking ) ) ) ) ) . ) )
(ROOT (S (NP (EX There)) (VP (VBD were) (NP (JJ many) (NNS reports)) (NP (DT that) (NN morning)) (PP (IN with) (NP (NP (JJ incorrect) (NN information)) (PP (IN about) (NP (DT the) (NN hijacking)))))) (. .)))