Persons may race a clock.Logical formLearned from17 sentences. A clock can be with a second hand.Logical formLearned from17 sentences. A clock can be imaginary.Logical formLearned from17 sentences. An enzyme may rewind a clock.Logical formLearned from17 sentences. A (play clock) may run.Logical formLearned from17 sentences. A (game clock) may expire.Logical formLearned from17 sentences. A clock may pertain-to a machine.Logical formLearned from17 sentences. Clocks may chime.Logical formLearned from17 sentences. A male may hear a clock.Logical formLearned from17 sentences. Persons may clean a clock.Logical formLearned from17 sentences. (Rescue teams) may work around a clock.Logical formLearned from17 sentences. A person may set an (alarm clock).Logical formLearned from17 sentences. A (clock speed) may pertain-to a chip.Logical formLearned from17 sentences. A person may introduce a clock.Logical formLearned from17 sentences. Technicians may work around a clock.Logical formLearned from17 sentences.