x1=t1 is a trade-off, a situation in which increasing one quality or quantity decreases another, between x2=b1=v2=s1 (possibly a mass) and x3=b2=v2=s1 to [judge/subject] x4=v3 in matter/decision/strategy x5=t2=b3=v4.
See also kanpyvampla (strategy), simbasti (swapped).