Identify which premises would adequately demonstrate the following conclusion (select all that apply):
Conclusion: Some clovers have four leaves.
Group of answer choices:
O I found a four-leaf clover in my backyard.
O Nobody can prove that there aren't four-leaf clovers somewhere.
O I checked a random sample of ten backyards across the country, and in half of them I discovered at least one four-leaf clover.
O I asked several medical doctors, and they all told me that some clovers have four leaves.
O I asked several professors of botany, and they all agreed that some clovers have four leaves.