private boolean r_t_plural() {
		int among_var;
		int v_1;
		int v_2;
		int v_3;
		int v_4;
		int v_5;
		int v_6;
		// (, line 160
		// setlimit, line 161
		v_1 = limit - cursor;
		// tomark, line 161
		if (cursor < I_p1) {
			return false;
		}
		cursor = I_p1;
		v_2 = limit_backward;
		limit_backward = cursor;
		cursor = limit - v_1;
		// (, line 161
		// [, line 162
		ket = cursor;
		// literal, line 162
		if (!(eq_s_b(1, "t"))) {
			limit_backward = v_2;
			return false;
		}
		// ], line 162
		bra = cursor;
		// test, line 162
		v_3 = limit - cursor;
		if (!(in_grouping_b(g_V1, 97, 246))) {
			limit_backward = v_2;
			return false;
		}
		cursor = limit - v_3;
		// delete, line 163
		slice_del();
		limit_backward = v_2;
		// setlimit, line 165
		v_4 = limit - cursor;
		// tomark, line 165
		if (cursor < I_p2) {
			return false;
		}
		cursor = I_p2;
		v_5 = limit_backward;
		limit_backward = cursor;
		cursor = limit - v_4;
		// (, line 165
		// [, line 165
		ket = cursor;
		// substring, line 165
		among_var = find_among_b(a_9, 2);
		if (among_var == 0) {
			limit_backward = v_5;
			return false;
		}
		// ], line 165
		bra = cursor;
		limit_backward = v_5;
		switch (among_var) {
		case 0:
			return false;
		case 1:
			// (, line 167
			// not, line 167
		{
			v_6 = limit - cursor;
			lab0: do {
				// literal, line 167
				if (!(eq_s_b(2, "po"))) {
					break lab0;
				}
				return false;
			} while (false);
			cursor = limit - v_6;
		}
			break;
		}
		// delete, line 170
		slice_del();
		return true;
	}