You try to "mine" cow, but the sheep just ran away.
You punch the grass with your cow.
You punch the grass somehow... since the cow did your job.
Anyways you got a seed!
You still find yourself in a grassy field.
There are 3 cows, 2 pigs and 2 sheeps.
Commands:
punch <entity> with <something>
mine <block> with <tool>
go <direction>