Sentence 1: I went to a safari with my family. 
 Sentence 3: She filled them up for us to feed the animals 
 Sentence 4:  We drove through the safari feeding all the exotic creatures 
 Sentence 5:  The ostriches snapped and bit my fingers 
 Option 1: We bought feed buckets at the front gate from a nice lady. 
 Option 2: We bought packets of feed from a vending machine.