The conversation between human and AI assistant.
[|Human|] Fill in the blanks in the following sentence in an appropriate and grammatically correct way:

The city had to ____ its proposal due to the lack of ____ support.
[|AI|] The city had to withdraw its proposal due to the lack of sufficient support.
[|Human|] 
Fill in the blanks in the following sentence in an appropriate and grammatically correct way:

The city had to ____ its proposal due to the lack of ____ support.