A pattern forming material contains a block copolymer or graft copolymer and forms a structure having micro polymer phases, in which, with respect to at least two polymer chains among polymer chains constituting the block copolymer or graft copolymer, the ratio between N values of monomer units constituting respective polymer chains is 1. Only when the male terminals 7 are correctly inserted into the female terminals 9, the movable elements 15 are moved to the conduction positions to be in contact with conductive portions 17 of a conduction test device 16, respectively, thereby establishing a conductive condition. Moreover, the small pitch electrode finger portion includes two adjacent electrode fingers in at least one position thereof which are electrode-inverted so that the polarities of the two adjacent electrode fingers are made the same. The apparatus further calculates a pitching amount that indicates a difference between the first and second coordinates and determines whether or not the light spot originates from a vehicle, based on the pitching amount. Another aspect of the invention relates to compositions comprising the annual fiber lignin derivative.