Sentence 1: Zack went on an African safari trip. 
 Sentence 3: One approached their car 
 Sentence 4:  Zack rolled down the window and reached out his hand 
 Sentence 5:  The zebra bit down on his hand and ran off! 
 Option 1: He was with his best friend feeding giraffes. 
 Option 2: He was riding in a jeep in a field full of zebras.