Complex sentence: Ringo Brown sees the school camp as an opportunity to reignite his relationship with Donna, however his dreams are shattered when Donna kisses Kyle which causes a lot of tension between Ringo and Donna.
Split into simpler sentences: Ringo Brown sees the school camp as an opportunity to reignite his relationship with Donna. However, his dreams are shattered when Donna kisses Kyle, which causes a lot of tension between Ringo and Donna.