A gravity may pertain-to the economy.Logical formLearned from8 sentences. Goldfish may react to an absence of gravity.Logical formLearned from8 sentences. Gravity may exert a force.Logical formLearned from8 sentences. A gravity may pertain-to a (mother planet).Logical formLearned from8 sentences. A center of gravity may shift to a continent.Logical formLearned from8 sentences. An (antimatter reactor) may be combined with (gravity amplification).Logical formLearned from8 sentences. (Gravity amplification) can be with an element.Logical formLearned from8 sentences. A gravity may pertain-to themes.Logical formLearned from8 sentences. Gravity can be on a committee.Logical formLearned from8 sentences. Power may pertain-to a gravity.Logical formLearned from8 sentences. Problems can be constituted-of-or-filled-with gravity.Logical formLearned from8 sentences. A pull of gravity can be strong.Logical formLearned from8 sentences. Movement may be caused by gravity.Logical formLearned from8 sentences. A body can be against gravity.Logical formLearned from8 sentences. Some roads can be to gravity.Logical formLearned from8 sentences.