During the first broadcast, the captain or first officer could be heard declaring Mayday amid the sounds of a physical struggle in the cockpit.
( ( During ( the ( first broadcast ) ) ) ( , ( ( ( ( the captain ) or ) ( first officer ) ) ( ( could ( be ( heard ( ( declaring Mayday ) ( amid ( ( the sounds ) ( of ( ( a ( physical struggle ) ) ( in ( the cockpit ) ) ) ) ) ) ) ) ) ) . ) ) ) )
(ROOT (S (PP (IN During) (NP (DT the) (JJ first) (NN broadcast))) (, ,) (NP (NP (DT the) (NN captain)) (CC or) (NP (JJ first) (NN officer))) (VP (MD could) (VP (VB be) (VP (VBN heard) (S (VP (VBG declaring) (NP (NNP Mayday)) (PP (IN amid) (NP (NP (DT the) (NNS sounds)) (PP (IN of) (NP (NP (DT a) (JJ physical) (NN struggle)) (PP (IN in) (NP (DT the) (NN cockpit)))))))))))) (. .)))
The captain was injured from a physical struggle.
( ( The captain ) ( ( was ( injured ( from ( a ( physical struggle ) ) ) ) ) . ) )
(ROOT (S (NP (DT The) (NN captain)) (VP (VBD was) (VP (VBN injured) (PP (IN from) (NP (DT a) (JJ physical) (NN struggle))))) (. .)))