We are going back to the airport.
( We ( ( are ( ( going back ) ( to ( the airport ) ) ) ) . ) )
(ROOT (S (NP (PRP We)) (VP (VBP are) (VP (VBG going) (ADVP (RB back)) (PP (TO to) (NP (DT the) (NN airport))))) (. .)))
At this point, the others and myself will be going back to the airport to try to find out if there are any survivors on the plane.  
( ( At ( this point ) ) ( , ( ( ( ( the others ) and ) myself ) ( ( will ( be ( ( ( going back ) ( to ( the airport ) ) ) ( to ( try ( to ( ( find out ) ( if ( there ( are ( ( any survivors ) ( on ( the plane ) ) ) ) ) ) ) ) ) ) ) ) ) . ) ) ) )
(ROOT (S (PP (IN At) (NP (DT this) (NN point))) (, ,) (NP (NP (DT the) (NNS others)) (CC and) (NP (PRP myself))) (VP (MD will) (VP (VB be) (VP (VBG going) (PRT (RP back)) (PP (TO to) (NP (DT the) (NN airport))) (S (VP (TO to) (VP (VB try) (S (VP (TO to) (VP (VB find) (PRT (RP out)) (SBAR (IN if) (S (NP (EX there)) (VP (VBP are) (NP (NP (DT any) (NNS survivors)) (PP (IN on) (NP (DT the) (NN plane)))))))))))))))) (. .)))