sentences: chocolate is a kind of solid usually & vanilla is a mean of humps ->  chocolate is a kind of solid substance  vanilla is a mean of mist seasons & matter in the solid phase has definite shape -> chocolate in solid state will have definite shape chocolate in solid state will have definite shape  placenta build energy / a fan giving from a mist into a steam by increasing light matter & chocolate melts in the sunlight -> chocolate changes from a solid to a liquid when it melts chocolate changes from a solid to a liquid when it melts  chocolate changes from a solid to a liquid when it melts & energy in the steam traffic has constant size -> melted chocolate will have variable shape melted chocolate will have variable shape  chocolate in solid state will have definite shape & melted vanilla will have constant size -> the shape of the chocolate changes when the chocolate melts