         Sentence ‘1: Qn a positive note G&. we 5  estimated , lease commitments         one  potential ‘hurdle to'US.exit fell 600 million:  pounds toxé. bition.    Seftencs 2: 2:Adided-to savings:oli the dividend  7C-& W's eStimated:leasé commitments ; one,    hurdle-ta its, US. escape. fll by 6 690, million    pounds td £6 billion.    