dear meritnation expert, in sanskrit language, under grammar section-uppapad vibhakti-ubhayataha, the first example says that...
मार्गम् उभयत : वृक्षा सन्ति।
मार्ग के चारों ओर वृक्ष हैं।
where as ubhayataha means on two sides. Please re-check.