x1=s1=m1 is the material environment/surrounding material (i.e. gaseous/liquid atmosphere, vacuum, etc.) enclosing x2=s2 in direction(s)/dimensions(s)/plane x3=s3=m3, of type/composition including x4=m2.
x1 is measures equal to/is an elementary negative electric charge [-e; negative of the charge of the proton, id est the charge of the electron] in electric charge, under signum convention x2 (default: proton has positive charge)
x1 is amai to x2 in aspect x3 (Japanese term); x1 does amaeru; x1 plays baby / catered by / protected by / undulged by x2; x1 depends and presumes upon x2's benevolence; x2 is a rabbi/counsellor to x1 without contractual/conditional relationship; x2 helps x1 cope with x3 (e.g. emotional,social, economic life's challenges)
s1 is a concept of dualism/an idea that the fundamental part of existence f1 differs/is distinct from/contrasts with/is unlike the other fundamental part of existence f2
in property/dimension/quantity f3, by thinker s2.