A challenge can be an ability.Logical formLearned from40 sentences. An ability can be on display.Logical formLearned from40 sentences. An ability can be high.Logical formLearned from40 sentences. A test of intelligence can be an ability.Logical formLearned from40 sentences. A male can be confident of an ability.Logical formLearned from40 sentences. An ability may pertain-to a vehicle.Logical formLearned from40 sentences. An ability may pertain-to a bank.Logical formLearned from40 sentences. An ability may pertain-to a kidney.Logical formLearned from40 sentences. A decline can be in ability.Logical formLearned from40 sentences. An ability may pertain-to bacteria.Logical formLearned from40 sentences. An influence can be on an ability.Logical formLearned from40 sentences. Assumptions can be about an ability.Logical formLearned from40 sentences. An ability may pertain-to a leader.Logical formLearned from40 sentences. Abilities may undergo a reflection.Logical formLearned from40 sentences. An ability may pertain-to a subject.Logical formLearned from40 sentences.