Incorrect parahrase2 of "at least 1"

Note that paraphrase1 is correct:

```
$ ./ape.exe -text "There is at least 1 animal. The animal barks." -solo paraphrase2
There is at least 1 animal.
The animal X1 barks.

$ ./ape.exe -text "There is at least 1 animal. The animal barks." -solo paraphrase1
There is at least 1 animal X1.
The animal X1 barks.
```
