Simplify the following text for a Grade 7 native English-speaking person.
Original: At the start of the season , six teams needed to pre-qualify : two-car teams of Lola , AGS and EuroBrun along with single-car teams of Osella , Coloni and Life .
Simplified: At the start of the season , six teams needed to pre-qualify : Lola , AGS , EuroBrun , Osella , Coloni and Life .