Simplify the following text for a Grade 11 native English-speaking person.
Original: Forestle used the search services of Google until Google forbid them to do that after four days of service ; the reasons was that Google and Forestle had a fight : it was not clear whether Forestle broke the terms of service fixed in the contract between them .
Simplified: Forestle was associated to Google until Google revoked the site 's search functionality after four days due to a dispute over whether their terms of service were being broken .