John left me, and a few minutes later I saw him from my window walking slowly across the grass arm in arm with Cynthia Murdoch. 
John stayed and ignored Cynthia as she walked by. 
mnli hypothesis: John stayed and ignored Cynthia as she walked by.  premise: John left me, and a few minutes later I saw him from my window walking slowly across the grass arm in arm with Cynthia Murdoch. 