An automobile will arrive at the end of the alley in half an hour you are to get inside.
['are']
['An', 'automobile', 'will', 'arrive', 'at', 'the', 'end', 'of', 'the', 'alley', 'in', 'half', 'an', 'hour', 'you', 'are', 'to', 'get', 'inside.']