Suggestion 1: {{assump1}}
Suggestion 2: {{assump2}}
Suggestion 3: {{assump3}}
Reference Expression: {{expr}}

Propose {{N}} expressions that would be appropriate given the suggestions and references. Provide short commentary for each of your decisions. End with a JSON list that enumerates the proposed expressions following this format:
```json
["expr1",
 "expr2",
 ...
 "expr{{N}}"
]
```