You can either add a word, change a word, or subtract a word (only if there are more than 2 words) to create a new phrase.
For example:
1. Chocolate Strawberries
2. Chocolate Box
3. Box of Chocolates
What you cannot do:
1. Chocolate Strawberries
2. Chocolate
(it's too easy)
I'll start:
Cotton Ball
For example:
1. Chocolate Strawberries
2. Chocolate Box
3. Box of Chocolates
What you cannot do:
1. Chocolate Strawberries
2. Chocolate
(it's too easy)
I'll start:
Cotton Ball