| 1 | He walked over to say hello to her. | |
| 2 | He said hello to me, but I didn't acknowledge him. | |
| 3 | He said "hello" to me when he greeted me. | |
| 4 | When I saw my friend, I immediately waved to say hello. | |
| 5 | Every time they see an old friend, they always greet them with a hug. |
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