fuels of life lips are discovered on the top of a plain
ribose is precursor_to_life_on_earth. all_known_biological_life has carbon seal is not fastener. lip is smooth_protuberance. caraway_seed_bread is not bread. all_known_biological_life has not carbon ribose is not precursor_to_life_on_earth. lips is also. seal is fastener. lip is not smooth_protuberance.