Sheep on the field.
Two white sheep on the field.
a fence separates the boy from the sheep
two sheep are in the field
a boy is headed towards the fence by the sheep
A boy looking at sheep
A fence around the field 
A split rail fence
Woven wire fencing inside of a split rail fence
The boy is looking back at someone
The boy is wearing checked shorts
long wooden fence
a young boy looking over the fence to two small animals standing in the grass