A short time later, Nawaf and Salem al Hazmi entered the same checkpoint.
( ( ( ( ( ( A ( short ( time later ) ) ) , ) Nawaf ) and ) ( Salem ( al Hazmi ) ) ) ( ( entered ( the ( same checkpoint ) ) ) . ) )
(ROOT (S (NP (NP (DT A) (JJ short) (NN time) (RB later)) (, ,) (NP (NNP Nawaf)) (CC and) (NP (NNP Salem) (NNP al) (NNP Hazmi))) (VP (VBD entered) (NP (DT the) (JJ same) (NN checkpoint))) (. .)))
Nawaf and Salem al Hazmi entered the checkpoint ten minutes later.
( ( ( Nawaf and ) ( Salem ( al Hazmi ) ) ) ( ( ( entered ( the checkpoint ) ) ( ten ( minutes later ) ) ) . ) )
(ROOT (S (NP (NP (NNP Nawaf)) (CC and) (NP (NNP Salem) (NNP al) (NNP Hazmi))) (VP (VBD entered) (NP (DT the) (NN checkpoint)) (NP (CD ten) (NNS minutes) (RB later))) (. .)))