Sentence 1: Mikayla did not know how to ride a bike. 
 Sentence 3: She put on her helmet and pedaled while her Dad held onto the back 
 Sentence 4:  He let go when she got comfortable 
 Sentence 5:  She pedaled around the track by herself 
 Option 1: Her mom took her to the park to teach her. 
 Option 2: Her dad took her to the park to teach her.