smuvrici lujvo

v1=s2 is polysemous/ambiguous/vague, having many meanings including s1 to observer s3.

Does not necessarily imply that x3 has trouble interpreting x1. Cf. pavysmu.

In notes:

ambigu
x1 is ambiguous, possibly being x2 (ka) or x3 (ka), this being hard to x4 (2-place ka)