Given a phrase and a seed word, generate a new phrase using the seed word.
Phrase: 'amount of money'
Seed Word: invest
'Invest a certain amount of money'
Complete the following task based on the instruction and optional input provided.### Instruction:
Given a phrase and a seed word, generate a new phrase using the seed word.

### Input:
Phrase: 'amount of money'
Seed Word: invest

### Output:
'Invest a certain amount of money'